+// TODO: translate the following.
+// 'label.client_name' => 'Client name',
+// 'label.client_address' => 'Client address',
+// 'label.or' => 'or',
+// 'label.error' => 'Error',
+// 'label.ldap_hint' => 'Type your <b>Windows login</b> and <b>password</b> in the fields below.',
+// 'label.required_fields' => '* - required fields',
+// 'label.on_behalf' => 'on behalf of',
+// TODO: translate all 3 roles properly, see https://www.anuko.com/time_tracker/user_guide/user_accounts.htm
+// This may require different terms for role_manager and role_comanager.
+'label.role_manager' => '(管理者)',
+'label.role_comanager' => '(共同管理者)',
+// 'label.role_admin' => '(administrator)',
+// TODO: translate the following.
+// 'label.page' => 'Page',
+// 'label.condition' => 'Condition',
+// 'label.yes' => 'yes',
+// 'label.no' => 'no',
+// Labels for plugins (extensions to Time Tracker that provide additional features).
+// TODO: translate the following.
+// 'label.custom_fields' => 'Custom fields',
+// 'label.monthly_quotas' => 'Monthly quotas',
+// 'label.type' => 'Type',
+// 'label.type_dropdown' => 'dropdown',
+// 'label.type_text' => 'text',
+// 'label.required' => 'Required',
+// 'label.fav_report' => 'Favorite report',
+// 'label.cron_schedule' => 'Cron schedule',
+// 'label.what_is_it' => 'What is it?',
+// 'label.expense' => 'Expense',
+// 'label.quantity' => 'Quantity',
+// 'label.paid_status' => 'Paid status',
+// 'label.paid' => 'Paid',
+// 'label.mark_paid' => 'Mark paid',
+
+// Form titles.
+'title.login' => 'ログイン',
+// TODO: translate the following.
+// 'title.teams' => 'Teams',
+// 'title.create_team' => 'Creating Team',
+// 'title.edit_team' => 'Editing Team',
+// 'title.delete_team' => 'Deleting Team',
+'title.reset_password' => 'パスワードの初期化',
+// TODO: translate the following.
+// 'title.change_password' => 'Changing Password',
+// 'title.time' => 'Time',
+// 'title.edit_time_record' => 'Editing Time Record',
+// 'title.delete_time_record' => 'Deleting Time Record',
+// 'title.expenses' => 'Expenses',
+// 'title.edit_expense' => 'Editing Expense Item',
+// 'title.delete_expense' => 'Deleting Expense Item',
+// 'title.predefined_expenses' => 'Predefined Expenses',
+// 'title.add_predefined_expense' => 'Adding Predefined Expense',
+// 'title.edit_predefined_expense' => 'Editing Predefined Expense',
+// 'title.delete_predefined_expense' => 'Deleting Predefined Expense',
+// 'title.reports' => 'Reports',
+// 'title.report' => 'Report',
+
+
+
+// TODO: refactoring ongoing down from here.