i18n multilanguage variables - how to translate "mission", "primary links", etc?

Hello,

I've installed the i18n module without any problems. I have multilanguage nodes, interface with localization module, and can switch between 3 languages easily with the language block. However, I can't for the life of me figure out how to translate the site variables, such as "mission" and "phptemplate_primary_links".

Now in the INSTALL.txt file included with the module, the following is stated:

The list of variables to be made language dependent must be defined in the config file:

  I.e.
  
    $i18n_variables = array(
        // Site configuration
        'site_name',
        'site_slogan',
        'site_mission',
        'site_footer',
        'anonymous',
        // Node help
        'blog_help',
        'story_help',
        // User configuration
        'user_registration_help',
        'user_mail_welcome_subject',
        'user_mail_welcome_body',
        'user_mail_approval_subject',
        'user_mail_approval_body',
        'user_mail_pass_subject',
        'user_mail_pass_body',
        // Theme settings: primary and secondary links, logo, etc..
		'theme_settings',
        // These are for PHPtemplate
    	'phptemplate_primary_links',
    	'phptemplate_primary_links_more',
    	'phptemplate_secondary_links',
    	'phptemplate_secondary_links_more',        
    );
    
  These are only the suggested ones, but you can add as many Drupal variables as you want to the array.
    
  You need to redefine these variables for the first time for every language, as previous values are lost and they return to defaults -they will be back if you disable i18n-. 

Errr, config file? Which config file? I don't see one in the package... and "defined"? So that means I just copy and paste that stuff into [whichever file it turns out we're talking about]? And then what?

You need to redefine these variables for the first time for every language

.

Ummm, what? :\

How / where do I define where the translations are supposed to go. IE, my site default is English... how do I define a "Spanish" and a "French" version of the mission?

Thanks,

s.