verb settings: “

<a name="/verb/set"><code>verb/set
  </code></a><code><a href="#/verb/set/name">name</a>
  <a href="#/verb/set/desc">desc</a>
  <a href="#/verb/set/category">category</a>
  <a href="#/verb/set/hidden">hidden</a>
  <a href="#/verb/set/popup_menu">popup_menu</a>
  <a href="#/verb/set/instant">instant</a>
  <a href="#/verb/set/invisibility">invisibility</a>
  <a href="#/verb/set/src">src</a>
  <a href="#/proc/set/background">background</a>
</code>

Procs and verbs are the same “type” so these attributes may be set for procs as well; most of them do not have any meaning, however, unless the proc is invoked as a verb (by adding it to a verb list).