- field_ui_field_edit_form in core/
modules/ field_ui/ field_ui.admin.inc - Form constructor for the field instance settings form.
- file_settings_form in core/
modules/ file/ file.admin.inc - Form callback for file settings.
- link_field_instance_settings_form in core/
modules/ link/ link.module - Implements hook_field_instance_settings_form().
- path_patterns_form in core/
modules/ path/ path.admin.inc - Form builder; Configure the URL alias patterns.
- system_site_maintenance_mode in core/
modules/ system/ system.admin.inc - Form builder; Configure the site's maintenance status.
- theme_token_tree in core/
modules/ system/ system.theme.inc - Provide a 'tree' display of nested tokens.
- user_settings_email in core/
modules/ user/ user.admin.inc - Form builder; Configure user email settings for this site.