_field_ui_field_overview_form_validate_add_existing(), comment_submit(), EntityFieldQuery::addFieldCondition(), EntityFieldQuery::fieldOrderBy(), field_delete_field(), field_delete_instance(), field_get_display(), field_sql_storage_field_storage_delete_instance(), field_ui_display_overview_form(), field_ui_existing_field_options(), field_ui_field_delete_form(), field_ui_field_delete_form_submit(), field_ui_field_edit_form(), field_ui_field_edit_form_submit(), field_ui_field_overview_form()