-// Note to translators: menu.export needs to be translated.
-// 'menu.export' => 'export',
-'menu.clients' => 'Clients',
-// Note to translators: menu.options needs to be translated.
-// 'menu.options' => 'options',
-'menu.admin' => 'admin',
-
-// error strings
-'error.db' => 'Error de la Base de Dades',
-'error.field' => 'Dada "{0}" incorrecta',
-'error.empty' => 'L\\\'Arxiu "{0}" està buit',
-'error.not_equal' => 'L\\\'Arxiu "{0}" no és igual al arxiu "{1}"',
-'error.interval' => 'Interval incorrecte',
-'error.project' => 'Sel·leccionar Projecte',
-'error.activity' => 'Sel·leccionar Actividat',
+// TODO: translate the following:
+// 'menu.export' => 'Export',
+// 'menu.clients' => 'Clients',
+// 'menu.options' => 'Options',
+
+// Footer - strings on the bottom of most pages.
+// TODO: translate the following:
+// 'footer.contribute_msg' => 'You can contribute to Time Tracker in different ways.',
+// 'footer.credits' => 'Credits',
+// 'footer.license' => 'License',
+// 'footer.improve' => 'Contribute', // Translators: this could mean "Improve", if it makes better sense in your language.
+ // This is a link to a webpage that describes how to contribute to the project.
+
+// Error messages.
+// TODO: translate the following:
+// 'error.access_denied' => 'Access denied.',
+// 'error.sys' => 'System error.',
+'error.db' => 'Error de la Base de Dades.',
+'error.field' => 'Dada "{0}" incorrecta.',
+'error.empty' => 'L\\\'Arxiu "{0}" està buit.',
+'error.not_equal' => 'L\\\'Arxiu "{0}" no és igual al arxiu "{1}".',
+'error.interval' => 'Interval incorrecte', // TODO: English string changed to 'Field "{0}" must be greater than "{1}".', re-translate.
+'error.project' => 'Selleccionar Projecte',
+// TODO: translate the following:
+// 'error.task' => 'Select task.',
+// 'error.client' => 'Select client.',
+// 'error.report' => 'Select report.'
+
+// Refactoring needs to be done down from here to sync with English file.