Operate

boldOperatebold is an action used on items. The operate function is only usable on an item that is equipped. Operate usually only works on enchanted items, non-tradable items, or quest like the following:

Existance
The action Operate still exists on a good amount of items on runescape, but some have been changed from rub or operate to something more specific like an exact destination for a teleport item on the right-click list on the equipped item.