xkz_backend/lang/en/menu.php

<?php

return [
    'dashboard'  => 'Dashboard',
    'admin_system'     => 'Admin',
    'admin_users'      => 'Users',
    'admin_roles'      => 'Roles',
    'admin_permission' => 'Permissions',
    'admin_menu'       => 'Menus',
    'admin_setting'    => 'Settings',
];