Translation Statistics
In the top-right corner of the Manage Translations page, you can find the statistics for all collections, strings, languages, and translations in your account.
Company Languages represent the number of company languages set up for your company.
The number of Custom Strings includes all strings in all collections owned by your company. For information about creating strings, see Adding Strings to Translation Collections.
The percentage of Completed Translations refers to all strings in all languages in all collections owned by your company. When you click the See Missing link, you are redirected to the Strings subtab of the Manage Translations page with the filter set to Missing Translations.