This is a specialized list allowing you to selected and filter XML elements.
This is a specialized list allowing you to defined various kinds of actions on list items. When more than 2 additional actions are defined the actions 2 and following are grouped in a menu item.
This element was meant to be used only for plugins in this organization. If it still fills you bill please use or re-use it. But be aware that we will not react on feature wishes that do not contribute to the needs of plugin in this organization.