-// 'error.mail_send' => 'error sending mail',
-// 'error.no_email' => 'no email associated with this login',
-// 'error.uncompleted_exists' => 'uncompleted entry already exists. close or delete it.',
-// 'error.goto_uncompleted' => 'go to uncompleted entry.',
-
-// labels for various buttons
-'button.login' => 'giriş',
-'button.now' => 'şimdi',
-// 'button.set' => 'ayarla',
-'button.save' => 'kaydet',
-'button.delete' => 'sil',
-'button.cancel' => 'iptal',
-'button.submit' => 'gönder',
-'button.add_user' => 'kullanıcı ekle',
-'button.add_project' => 'proje ekle',
-'button.add_activity' => 'faaliyet ekle',
-'button.add_client' => 'müşteri ekle',
-'button.add' => 'ekle',
-'button.generate' => 'yarat',
-// Note to translators: button.reset_password needs an improved translation.
-'button.reset_password' => 'git',
-'button.send' => 'gönder',
-'button.send_by_email' => 'e-posta ile gönder',
-'button.save_as_new' => 'yeni olarak kaydet',
-'button.create_team' => 'ekip yarat',
-// TODO: improve translation of button.export
-// 'button.export' => 'ekibi dılarıya aktar',
-'button.import' => 'ekibi içeri aktar',
-'button.apply' => 'uygula',
+// 'error.mail_send' => 'Error sending mail.',
+// 'error.no_email' => 'No email associated with this login.',
+// 'error.uncompleted_exists' => 'Uncompleted entry already exists. Close or delete it.',
+// 'error.goto_uncompleted' => 'Go to uncompleted entry.',
+// 'error.overlap' => 'Time interval overlaps with existing records.',
+// 'error.future_date' => 'Date is in future.',
+
+// Labels for buttons.
+'button.login' => 'Giriş',
+'button.now' => 'Şimdi',
+'button.save' => 'Kaydet',
+// TODO: translate the following.
+// 'button.copy' => 'Copy',
+'button.cancel' => 'Iptal',
+'button.submit' => 'Gönder',
+'button.add_user' => 'Kullanıcı ekle',
+'button.add_project' => 'Proje ekle',
+// TODO: translate the following.
+// 'button.add_task' => 'Add task',
+'button.add_client' => 'Müşteri ekle',
+// TODO: translate the following.
+// 'button.add_invoice' => 'Add invoice',
+// 'button.add_option' => 'Add option',
+'button.add' => 'Ekle',
+'button.generate' => 'Yarat',
+// TODO: translate the following.
+// 'button.reset_password' => 'Reset password',
+'button.send' => 'Gönder',
+'button.send_by_email' => 'E-posta ile gönder',
+'button.create_team' => 'Ekip yarat',
+// TODO: translate the following.
+// 'button.export' => 'Export team',
+'button.import' => 'Ekibi içeri aktar',
+// TODO: translate the following.
+// 'button.close' => 'Close',
+// 'button.stop' => 'Stop',
+
+
+
+// TODO: refactoring ongoing down from here.