Terms (tags categories) (category)
| created_(taxonomy) | Fires after a term (taxonomy item) is added. |
| edited_(taxonomy) | Fires after a term (category or other taxonomy item) has been updated and its cache cleared. |
| get_terms_orderby | Filters the part of the SQL query responsible for the sorting column in get_terms(), get_categories(), wp_list_categories(). |
| pre_insert_term | Allows you to change a term name (category or tag) before it is sanitized and inserted into the database. |
| register_taxonomy_args | Allows you to change the arguments specified when registering a taxonomy. |
| single_cat_title | Allows you to change the title of a category archive page. |
| taxonomy_labels_(taxonomy) | Allows you to change the labels (headings) of a specified taxonomy, such as categories or tags. |
| term_updated_messages | Allows you to change messages displayed when terms (categories, tags, and so on) are handled on their creation and editing pages. |
| the_category | Allows changing a category or the formatted list of post categories. |
| update_post_term_count_statuses | Allows you to change the list of post statuses included when updating taxonomy term counts. |