metabox (widget) (tag)
| add_meta_box() | Adds additional blocks (meta box) on the edit/create post, page, or custom post type screens in the admin panel. |
| do_meta_boxes() | Outputs any meta boxes registered for the admin panel page and a specific context, using the function add_meta_box(). |
| remove_meta_box() | Deletes meta-boxes (additional blocks in the admin panel) on the post, page, and custom post type editing screens. |
| wp_add_dashboard_widget() | Adds (register) a new widget (a meta box) to the administration dashboard (the main page of the admin panel). |