Admin menu (admin panel) (tag)
| add_menu_page() | Add a top-level menu page to the Dashboard (next to Posts, Pages, Users etc). |
| add_options_page() | Adds a child page (submenu) to the admin panel menu "Settings". |
| add_submenu_page() | Adds a child page (subsection) of the specified main menu in the admin panel. |
| add_theme_page() | Adds a submenu to the "Appearance" menu in the admin panel. |
| remove_menu_page() | Remove a top-level admin menu item, ex: "Posts", "Media", "Pages". |
| remove_submenu_page() | Deletes a submenu item from the WordPress admin panel. For example, |