ctions. IntransitiveActivity objects
        do not have an <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-object-term">object</a></code> property.
      </p>
    </section>

    <section id="collections">
      <h2><dfn id="collection">Collection</dfn></h2>

      <p>
        <code>Collection</code> objects are a specialization of the
        base <code><a>Object</a></code> that serve as a container for other
        <a data-lt="Object">Objects</a> or <a data-lt="Link">Links</a>.
    