diff --git a/modules/node/content_types.inc b/modules/node/content_types.inc
index 3eaec5b..4b722ee 100644
--- a/modules/node/content_types.inc
+++ b/modules/node/content_types.inc
@@ -409,6 +409,8 @@ function node_type_reset($type) {
 
 /**
  * Menu callback; delete a single content type.
+ *
+ * @ingroup forms
  */
 function node_type_delete_confirm($form, &$form_state, $type) {
   $form['type'] = array('#type' => 'value', '#value' => $type->type);
@@ -429,6 +431,8 @@ function node_type_delete_confirm($form, &$form_state, $type) {
 
 /**
  * Process content type delete confirm submissions.
+ *
+ * @see node_type_delete_confirm()
  */
 function node_type_delete_confirm_submit($form, &$form_state) {
   node_type_delete($form_state['values']['type']);
diff --git a/modules/node/content_types.js b/modules/node/content_types.js
index 16d0a55..0031c32 100644
--- a/modules/node/content_types.js
+++ b/modules/node/content_types.js
@@ -1,8 +1,3 @@
-/**
- * @file
- * Javascript for the node content editing form.
- */
-
 (function ($) {
 
 Drupal.behaviors.contentTypes = {
diff --git a/modules/node/node.admin.inc b/modules/node/node.admin.inc
index c44992a..be09b37 100644
--- a/modules/node/node.admin.inc
+++ b/modules/node/node.admin.inc
@@ -7,6 +7,9 @@
 
 /**
  * Menu callback: confirm rebuilding of permissions.
+ *
+ * @see node_configure_rebuild_confirm_submit()
+ * @see node_menu()
  * @ingroup forms
  */
 function node_configure_rebuild_confirm() {
@@ -16,6 +19,8 @@ function node_configure_rebuild_confirm() {
 
 /**
  * Handler for wipe confirmation
+ *
+ * @see node_configure_rebuild_confirm()
  */
 function node_configure_rebuild_confirm_submit($form, &$form_state) {
   node_access_rebuild(TRUE);
@@ -67,6 +72,9 @@ function node_node_operations() {
 
 /**
  * List node administration filters that can be applied.
+ *
+ * @return
+ *   An associative array of filters.
  */
 function node_filters() {
   // Regular filters
@@ -111,7 +119,7 @@ function node_filters() {
 }
 
 /**
- * Apply filters for node administration filters based on session.
+ * Applies filters for node administration filters based on session.
  *
  * @param $query
  *   A SelectQuery to which the filters should be applied.
@@ -134,7 +142,16 @@ function node_build_filter_query(SelectQueryInterface $query) {
 }
 
 /**
- * Return form for node administration filters.
+ * Returns the node administration filters form array to node_admin_content().
+ *
+ * @see node_admin_nodes()
+ * @see node_admin_nodes_submit()
+ * @see node_admin_nodes_validate()
+ * @see node_filter_form_submit()
+ * @see node_multiple_delete_confirm()
+ * @see node_multiple_delete_confirm_submit()
+ *
+ * @ingroup forms
  */
 function node_filter_form() {
   $session = isset($_SESSION['node_overview_filter']) ? $_SESSION['node_overview_filter'] : array();
@@ -209,7 +226,15 @@ function node_filter_form() {
 }
 
 /**
- * Process result from node administration filter form.
+ * Form submission handler for node_filter_form().
+ *
+ * @see node_admin_content()
+ * @see node_admin_nodes()
+ * @see node_admin_nodes_submit()
+ * @see node_admin_nodes_validate()
+ * @see node_filter_form()
+ * @see node_multiple_delete_confirm()
+ * @see node_multiple_delete_confirm_submit()
  */
 function node_filter_form_submit($form, &$form_state) {
   $filters = node_filters();
@@ -280,7 +305,17 @@ function node_mass_update($nodes, $updates) {
 }
 
 /**
- * Node Mass Update - helper function.
+ * Updates individual nodes when fewer than 10 are queued.
+ *
+ * @param $nid
+ *   ID of node to update.
+ * @param $updates
+ *   Associative array of updates.
+ *
+ * @return object
+ *   An updated node object.
+ *
+ * @see node_mass_update()
  */
 function _node_mass_update_helper($nid, $updates) {
   $node = node_load($nid, NULL, TRUE);
@@ -294,7 +329,14 @@ function _node_mass_update_helper($nid, $updates) {
 }
 
 /**
- * Node Mass Update Batch operation
+ * Executes a batch operation for node_mass_update().
+ *
+ * @param array $nodes
+ *   An array of node IDs.
+ * @param array $updates
+ *   Associative array of updates.
+ * @param array $context
+ *   An array of contextual key/values.
  */
 function _node_mass_update_batch_process($nodes, $updates, &$context) {
   if (!isset($context['sandbox']['progress'])) {
@@ -325,7 +367,15 @@ function _node_mass_update_batch_process($nodes, $updates, &$context) {
 }
 
 /**
- * Node Mass Update Batch 'finished' callback.
+ * Menu callback: Reports the status of batch operation for node_mass_update().
+ *
+ * @param bool $success
+ *   A boolean indicating whether the batch mass update operation successfully
+ *   concluded.
+ * @param int $results
+ *   The number of nodes updated via the batch mode process.
+ * @param array $operations
+ *   An array of function calls (not used in this function).
  */
 function _node_mass_update_batch_finished($success, $results, $operations) {
   if ($success) {
@@ -340,8 +390,16 @@ function _node_mass_update_batch_finished($success, $results, $operations) {
 }
 
 /**
- * Menu callback: content administration.
+ * Page callback: Form constructor for the content administration form.
  *
+ * @see node_admin_nodes()
+ * @see node_admin_nodes_submit()
+ * @see node_admin_nodes_validate()
+ * @see node_filter_form()
+ * @see node_filter_form_submit()
+ * @see node_menu()
+ * @see node_multiple_delete_confirm()
+ * @see node_multiple_delete_confirm_submit()
  * @ingroup forms
  */
 function node_admin_content($form, $form_state) {
@@ -624,6 +682,16 @@ function node_multiple_delete_confirm($form, &$form_state, $nodes) {
                     t('Delete'), t('Cancel'));
 }
 
+/**
+ * Form submission handler for node_multiple_delete_confirm().
+ *
+ * @see node_admin_nodes()
+ * @see node_admin_nodes_submit()
+ * @see node_admin_nodes_validate()
+ * @see node_filter_form()
+ * @see node_filter_form_submit()
+ * @see node_multiple_delete_confirm()
+ */
 function node_multiple_delete_confirm_submit($form, &$form_state) {
   if ($form_state['values']['confirm']) {
     node_delete_multiple(array_keys($form_state['values']['nodes']));
diff --git a/modules/node/node.js b/modules/node/node.js
index 313e7be..ebf68eb 100644
--- a/modules/node/node.js
+++ b/modules/node/node.js
@@ -1,7 +1,3 @@
-/**
- * @file
- * Defines Javascript behaviors for the node module.
- */
 
 (function ($) {
 
diff --git a/modules/node/node.module b/modules/node/node.module
index 5f7dd7a..df56fa8 100644
--- a/modules/node/node.module
+++ b/modules/node/node.module
@@ -321,8 +321,14 @@ function node_tag_new($node) {
 }
 
 /**
- * Retrieves the timestamp at which the current user last viewed the
- * specified node.
+ * Retrieves the timestamp for the current user's last view of a specified node.
+ *
+ * @param $nid
+ *   A node ID.
+ *
+ * @return
+ *   If a node has been previously viewed by the user, the timestamp in seconds
+ *   of when the last view occurred; otherwise, zero.
  */
 function node_last_viewed($nid) {
   global $user;
@@ -860,6 +866,7 @@ function node_rdf_mapping() {
  *   A node object or a string containing the node type.
  * @param $hook
  *   A string containing the name of the hook.
+ *
  * @return
  *   TRUE if the $hook exists in the node type of $node.
  */
@@ -877,6 +884,7 @@ function node_hook($node, $hook) {
  *   A string containing the name of the hook.
  * @param $a2, $a3, $a4
  *   Arguments to pass on to the hook, after the $node argument.
+ *
  * @return
  *   The returned value of the invoked hook.
  */
@@ -943,6 +951,9 @@ function node_load($nid = NULL, $vid = NULL, $reset = FALSE) {
  *
  * Fills in a few default values, and then invokes hook_prepare() on the node
  * type module, and hook_node_prepare() on all modules.
+ *
+ * @param $node
+ *   A node object.
  */
 function node_object_prepare($node) {
   // Set up default values, if required.
@@ -1168,6 +1179,13 @@ function node_save($node) {
  * Helper function to save a revision with the uid of the current user.
  *
  * The resulting revision ID is available afterward in $node->vid.
+ *
+ * @param $node
+ *   A node object.
+ * @param $uid
+ *   The current user's UID.
+ * @param $update
+ *   (optional) An array of primary keys' field names to update.
  */
 function _node_save_revision($node, $uid, $update = NULL) {
   $temp_uid = $node->uid;
@@ -1415,6 +1433,7 @@ function node_build_content($node, $view_mode = 'full', $langcode = NULL) {
  *   A node object.
  * @param $message
  *   A flag which sets a page title relevant to the revision being viewed.
+ *
  * @return
  *   A $page element suitable for use by drupal_render().
  */
@@ -1437,6 +1456,9 @@ function node_show($node, $message = FALSE) {
  *
  * @param $node
  *   A node object.
+ *
+ * @return
+ *   The ID of the node if this is a full page view, otherwise FALSE.
  */
 function node_is_page($node) {
   $page_node = menu_get_object();
@@ -2128,6 +2150,14 @@ function node_menu_local_tasks_alter(&$data, $router_item, $root_path) {
 
 /**
  * Title callback for a node type.
+ *
+ * @param $type
+ *   The node type object.
+ *
+ * @return string
+ *   An unsanitized string that is the title of the node type edit form.
+ *
+ * @see node_menu()
  */
 function node_type_page_title($type) {
   return $type->name;
@@ -2135,6 +2165,14 @@ function node_type_page_title($type) {
 
 /**
  * Title callback.
+ *
+ * @param $node
+ *   The node object.
+ *
+ * @return
+ *   An unsanitized string that is the title of the node.
+ *
+ * @see node_menu()
  */
 function node_page_title($node) {
   return $node->title;
@@ -2155,6 +2193,12 @@ function node_last_changed($nid) {
 
 /**
  * Return a list of all the existing revision numbers.
+ *
+ * @param Drupal\node\Node $node
+ *   The node entity.
+ *
+ * @return
+ *   An associative array keyed by node revision number.
  */
 function node_revision_list($node) {
   $revisions = array();
@@ -2240,7 +2284,7 @@ function node_block_save($delta = '', $edit = array()) {
  *   (optional) The maximum number of nodes to find. Defaults to 10.
  *
  * @return
- *   an array of node entities or an empty array if there are no recent nodes
+ *   !n array of node entities or an empty array if there are no recent nodes
  *   visible to the current user.
  */
 function node_get_recent($number = 10) {
@@ -2606,6 +2650,11 @@ function node_view_multiple($nodes, $view_mode = 'teaser', $weight = 0, $langcod
 
 /**
  * Menu callback; Generate a listing of promoted nodes.
+ *
+ * @return array
+ *   An array in the format expected by drupal_render().
+ *
+ * @see node_menu()
  */
 function node_page_default() {
   $select = db_select('node', 'n')
@@ -2656,6 +2705,14 @@ function node_page_default() {
 
 /**
  * Menu callback; view a single node.
+ *
+ * @param $node
+ *   The node object.
+ *
+ * @return
+ *   A page array suitable for use by drupal_render().
+ *
+ * @see node_menu()
  */
 function node_page_view($node) {
   // If there is a menu link to this node, the link becomes the last part
@@ -3022,6 +3079,7 @@ function node_node_access($node, $op, $account) {
  *
  * @param $type
  *   The machine-readable name of the node type.
+ *
  * @return array
  *   An array of permission names and descriptions.
  */
@@ -3093,6 +3151,7 @@ function node_permissions_get_configured_types() {
  * @param $account
  *   The user object for the user performing the operation. If omitted, the
  *   current user is used.
+ *
  * @return
  *   An associative array in which the keys are realms, and the values are
  *   arrays of grants for those realms.
@@ -3604,6 +3663,13 @@ function _node_access_rebuild_batch_operation(&$context) {
 
 /**
  * Performs post-processing for node_access_rebuild().
+ *
+ * @param bool $success
+ *   A boolean indicating whether the re-build process has completed.
+ * @param array $results
+ *   An array of results information.
+ * @param array $operations
+ *   An array of function calls (not used in this function).
  */
 function _node_access_rebuild_batch_finished($success, $results, $operations) {
   if ($success) {
@@ -3656,6 +3722,7 @@ function node_content_form($node, $form_state) {
 
 /**
  * Implements hook_forms().
+ *
  * All node forms share the same form handler.
  */
 function node_forms() {
@@ -3740,6 +3807,12 @@ function node_action_info() {
 /**
  * Sets the status of a node to 1 (published).
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_publish_action($node, $context = array()) {
@@ -3750,6 +3823,12 @@ function node_publish_action($node, $context = array()) {
 /**
  * Sets the status of a node to 0 (unpublished).
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_unpublish_action($node, $context = array()) {
@@ -3760,6 +3839,12 @@ function node_unpublish_action($node, $context = array()) {
 /**
  * Sets the sticky-at-top-of-list property of a node to 1.
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_make_sticky_action($node, $context = array()) {
@@ -3770,6 +3855,12 @@ function node_make_sticky_action($node, $context = array()) {
 /**
  * Sets the sticky-at-top-of-list property of a node to 0.
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_make_unsticky_action($node, $context = array()) {
@@ -3780,6 +3871,12 @@ function node_make_unsticky_action($node, $context = array()) {
 /**
  * Sets the promote property of a node to 1.
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_promote_action($node, $context = array()) {
@@ -3790,6 +3887,12 @@ function node_promote_action($node, $context = array()) {
 /**
  * Sets the promote property of a node to 0.
  *
+ * @param $node
+ *   A node object.
+ * @param $context
+ *   (optional) Array of additional information about what triggered the action.
+ *   Not used for this action.
+ *
  * @ingroup actions
  */
 function node_unpromote_action($node, $context = array()) {
@@ -3800,6 +3903,9 @@ function node_unpromote_action($node, $context = array()) {
 /**
  * Saves a node.
  *
+ * @param $node
+ *   The node to be saved.
+ *
  * @ingroup actions
  */
 function node_save_action($node) {
@@ -3816,6 +3922,9 @@ function node_save_action($node) {
  *   Array with the following elements:
  *   - 'owner_uid': User ID to assign to the node.
  *
+ * @see node_assign_owner_action_form()
+ * @see node_assign_owner_action_validate()
+ * @see node_assign_owner_action_submit()
  * @ingroup actions
  */
 function node_assign_owner_action($node, $context) {
@@ -3826,6 +3935,16 @@ function node_assign_owner_action($node, $context) {
 
 /**
  * Generates the settings form for node_assign_owner_action().
+ *
+ * @param $context
+ *   Array of additional information about what triggered the action. Includes
+ *   the following elements:
+ *   - 'owner_uid': User ID to assign to the node.
+ *
+ * @see node_assign_owner_action_submit()
+ * @see node_assign_owner_action_validate()
+ *
+ * @ingroup forms
  */
 function node_assign_owner_action_form($context) {
   $description = t('The username of the user to which you would like to assign ownership.');
@@ -3866,6 +3985,8 @@ function node_assign_owner_action_form($context) {
 
 /**
  * Validates settings form for node_assign_owner_action().
+ *
+ * @see node_assign_owner_action_submit()
  */
 function node_assign_owner_action_validate($form, $form_state) {
   $exists = (bool) db_query_range('SELECT 1 FROM {users} WHERE name = :name', 0, 1, array(':name' => $form_state['values']['owner_name']))->fetchField();
@@ -3876,6 +3997,8 @@ function node_assign_owner_action_validate($form, $form_state) {
 
 /**
  * Saves settings form for node_assign_owner_action().
+ *
+ * @see node_assign_owner_action_validate()
  */
 function node_assign_owner_action_submit($form, $form_state) {
   // Username can change, so we need to store the ID, not the username.
diff --git a/modules/node/node.pages.inc b/modules/node/node.pages.inc
index b12b000..e04941c 100644
--- a/modules/node/node.pages.inc
+++ b/modules/node/node.pages.inc
@@ -5,7 +5,6 @@
  * Page callbacks for adding, editing, deleting, and revisions management for content.
  */
 
-
 /**
  * Menu callback; presents the node editing form.
  */
@@ -63,6 +62,12 @@ function theme_node_add_list($variables) {
 
 /**
  * Returns a node submission form.
+ *
+ * @param $type
+ *   The node type for the submitted node.
+ *
+ * @return
+ *   The themed form.
  */
 function node_add($type) {
   global $user;
@@ -75,6 +80,11 @@ function node_add($type) {
   return $output;
 }
 
+/**
+ * Validates settings form for node_form().
+ *
+ * @see node_form()
+ */
 function node_form_validate($form, &$form_state) {
   // $form_state['node'] contains the actual entity being edited, but we must
   // not update it with form values that have not yet been validated, so we
@@ -86,6 +96,9 @@ function node_form_validate($form, &$form_state) {
 
 /**
  * Generate the node add/edit form array.
+ *
+ * @see node_form_validate()
+ * @ingroup forms
  */
 function node_form($form, &$form_state, $node) {
   global $user;
@@ -416,6 +429,12 @@ function theme_node_preview($variables) {
   return $output;
 }
 
+/**
+ * Saves settings form for node_form().
+ *
+ * @see node_form()
+ * @see node_form_validate()
+ */
 function node_form_submit($form, &$form_state) {
   $node = node_form_submit_build_node($form, $form_state);
   $insert = empty($node->nid);
@@ -499,7 +518,9 @@ function node_delete_confirm($form, &$form_state, $node) {
 }
 
 /**
- * Execute node deletion
+ * Execute node deletion.
+ *
+ * @see node_delete_confirm()
  */
 function node_delete_confirm_submit($form, &$form_state) {
   if ($form_state['values']['confirm']) {
@@ -514,6 +535,14 @@ function node_delete_confirm_submit($form, &$form_state) {
 
 /**
  * Generate an overview table of older revisions of a node.
+ *
+ * @param $node
+ *   A node object.
+ *
+ * @return array
+ *   An array as expected by drupal_render().
+ *
+ * @see node_menu()
  */
 function node_revision_overview($node) {
   drupal_set_title(t('Revisions for %title', array('%title' => $node->title)), PASS_THROUGH);
@@ -566,6 +595,12 @@ function node_revision_overview($node) {
 /**
  * Ask for confirmation of the reversion to prevent against CSRF attacks.
  *
+ * @param int $node_revision
+ *   The node revision ID.
+ *
+ * @return array
+ *   An array as expected by drupal_render().
+ *
  * @see node_menu()
  * @see node_revision_revert_confirm_submit()
  * @ingroup forms
diff --git a/modules/node/tests/node_access_test.module b/modules/node/tests/node_access_test.module
index 0a1ee60..ec35c41 100644
--- a/modules/node/tests/node_access_test.module
+++ b/modules/node/tests/node_access_test.module
@@ -142,6 +142,8 @@ function node_access_test_page() {
  * database query is shown, and a list of the node IDs, for debugging purposes.
  * And if there is a query exception, the page says "Exception" and gives the
  * error.
+ *
+ * @see node_access_test_menu()
  */
 function node_access_entity_test_page() {
   $output = '';