-'dropdown.this_day' => 'ovaj dan',
-'dropdown.this_week' => 'ova nedelja',
-'dropdown.last_week' => 'prošla nedelja',
-'dropdown.this_month' => 'ovaj mesec',
-'dropdown.last_month' => 'prošli mesec',
-'dropdown.this_year' => 'ova godina',
+// TODO: translate the following.
+// 'dropdown.current_day' => 'today',
+// 'dropdown.previous_day' => 'yesterday',
+'dropdown.selected_day' => 'dan',
+'dropdown.current_week' => 'ova nedelja',
+'dropdown.previous_week' => 'prošla nedelja',
+'dropdown.selected_week' => 'nedelja',
+'dropdown.current_month' => 'ovaj mesec',
+'dropdown.previous_month' => 'prošli mesec',
+'dropdown.selected_month' => 'mesec',
+'dropdown.current_year' => 'ova godina',
+// TODO: translate the following.
+// 'dropdown.previous_year' => 'previous year',
+'dropdown.selected_year' => 'godina',