| cache_clear_all | includes/cache.inc | Expire data from the cache. If called without arguments, expirable
entries will be cleared from the cache_page and cache_block tables. |
| db_fetch_object | includes/database.pgsql.inc | Fetch one result row from the previous query as an object. |
| db_query | includes/database.pgsql.inc | Runs a basic query in the active database. |
| module_invoke_all | includes/module.inc | Invoke a hook in all enabled modules that implement it. |
| taxonomy_del_term | modules/taxonomy/taxonomy.module | Delete a term. |
| taxonomy_del_vocabulary | modules/taxonomy/taxonomy.module | Delete a vocabulary. |
| taxonomy_vocabulary_load | modules/taxonomy/taxonomy.module | Return the vocabulary object matching a vocabulary ID. |