+// Invoice form. See example at https://timetracker.anuko.com/invoice.php
+// (you can get to this form after generating a report).
+// TODO: translate the following.
+// 'form.invoice.number' => 'Invoice number',
+// 'form.invoice.person' => 'Person',
+// 'form.invoice.invoice_to_delete' => 'Invoice to delete',
+// 'form.invoice.invoice_entries' => 'Invoice entries',
+// 'form.invoice.confirm_deleting_entries' => 'Please confirm deleting invoice entries from Time Tracker.',
+
+// Charts form. See example at https://timetracker.anuko.com/charts.php
+// TODO: translate the following.
+// 'form.charts.interval' => 'Interval',
+// 'form.charts.chart' => 'Chart',
+
+// Projects form. See example at https://timetracker.anuko.com/projects.php
+// TODO: translate the following.
+// 'form.projects.active_projects' => 'Active Projects',
+// 'form.projects.inactive_projects' => 'Inactive Projects',
+
+// Tasks form. See example at https://timetracker.anuko.com/tasks.php
+// TODO: translate the following.
+// 'form.tasks.active_tasks' => 'Active Tasks',
+// 'form.tasks.inactive_tasks' => 'Inactive Tasks',