+// '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' => '보고서',
+// TODO: translate the following.
+// 'title.send_report' => 'Sending Report',
+'title.invoice' => '송장',
+// TODO: translate the following.
+// 'title.send_invoice' => 'Sending Invoice',
+// 'title.charts' => 'Charts',
+'title.projects' => '프로젝트',
+'title.add_project' => '프로젝트를 추가하기',
+'title.edit_project' => '프로젝트를 편집하기',
+'title.delete_project' => '프로젝트를 편집하기',
+// TODO: translate the following.
+// 'title.tasks' => 'Tasks',
+// 'title.add_task' => 'Adding Task',
+// 'title.edit_task' => 'Editing Task',
+// 'title.delete_task' => 'Deleting Task',
+'title.users' => '사용자',
+// TODO: translate the following.
+// 'title.add_user' => 'Adding User',
+// 'title.edit_user' => 'Editing User',
+// 'title.delete_user' => 'Deleting User',
+'title.clients' => '클라이언트',
+'title.add_client' => '클라이언트 추가',
+'title.edit_client' => '클라이언트 편집',
+'title.delete_client' => '클라이언트 삭제',
+'title.invoices' => '송장',
+// TODO: translate the following.
+// 'title.add_invoice' => 'Adding Invoice',
+// 'title.view_invoice' => 'Viewing Invoice',
+// 'title.delete_invoice' => 'Deleting Invoice',
+// 'title.notifications' => 'Notifications',
+// 'title.add_notification' => 'Adding Notification',
+// 'title.edit_notification' => 'Editing Notification',
+// 'title.delete_notification' => 'Deleting Notification',
+// 'title.monthly_quotas' => 'Monthly Quotas',
+// 'title.export' => 'Exporting Team Data',
+// 'title.import' => 'Importing Team Data',
+'title.options' => '옵션',
+'title.profile' => '프로필',
+// TODO: translate the following.
+// 'title.cf_custom_fields' => 'Custom Fields',
+// 'title.cf_add_custom_field' => 'Adding Custom Field',
+// 'title.cf_edit_custom_field' => 'Editing Custom Field',
+// 'title.cf_delete_custom_field' => 'Deleting Custom Field',
+// 'title.cf_dropdown_options' => 'Dropdown Options',
+// 'title.cf_add_dropdown_option' => 'Adding Option',
+// 'title.cf_edit_dropdown_option' => 'Editing Option',
+// 'title.cf_delete_dropdown_option' => 'Deleting Option',
+// NOTE TO TRANSLATORS: Locking is a feature to lock records from modifications (ex: weekly on Mondays we lock all previous weeks).
+// It is also a name for the Locking plugin on the Team profile page.
+// 'title.locking' => 'Locking',
+// 'title.week_view' => 'Week View',
+
+// Section for common strings inside combo boxes on forms. Strings shared between forms shall be placed here.
+// Strings that are used in a single form must go to the specific form section.
+// TODO: translate the following.
+// 'dropdown.all' => '--- all ---',
+// 'dropdown.no' => '--- no ---',
+'dropdown.current_day' => '오늘',
+// TODO: translate the following.
+// 'dropdown.previous_day' => 'yesterday',
+'dropdown.selected_day' => '일',
+'dropdown.current_week' => '이번주',
+'dropdown.previous_week' => '전번주',
+'dropdown.selected_week' => '주',
+'dropdown.current_month' => '이번달',
+'dropdown.previous_month' => '전번달',
+'dropdown.selected_month' => '달',
+'dropdown.current_year' => '올해',
+// TODO: translate the following.
+// 'dropdown.previous_year' => 'previous year',
+// 'dropdown.selected_year' => 'year',
+'dropdown.all_time' => '전시간',
+'dropdown.projects' => '프로젝트',
+// TODO: translate the following.
+// 'dropdown.tasks' => 'tasks',
+'dropdown.clients' => '클라이언트',
+// TODO: translate the following.
+// 'dropdown.select' => '--- select ---',
+// 'dropdown.select_invoice' => '--- select invoice ---',
+// 'dropdown.status_active' => 'active',
+// 'dropdown.status_inactive' => 'inactive',
+// 'dropdown.delete'=>'delete',
+// 'dropdown.do_not_delete'=>'do not delete',
+// 'dropdown.paid' => 'paid',
+// 'dropdown.not_paid' => 'not paid',
+
+// Login form. See example at https://timetracker.anuko.com/login.php.
+'form.login.forgot_password' => '암호를 잊으셨습니까?',
+// TODO: translate the following.
+// 'form.login.about' =>'Anuko <a href="https://www.anuko.com/lp/tt_2.htm" target="_blank">Time Tracker</a> is a simple, easy to use, open source time tracking system.',