#$Events</a> (q.v.) that are
            carried out by some doer (see <a
            href="./actor-vocab.html#doneBy">#$doneBy).</a> Instances of
                <a href="./doing-vocab.html#Action">#$Action</a> include
            any event in which one or more actors effect some change in
            the (tangible or intangible) state of the world, typically
            by an expenditure of effort or energy. Note that it is not
            required that any tangible object be moved, changed,
            p