ining command modifiers.</p>

<p style="margin-top: 1em">Figure 3-2 was produced by the
following <b>pic</b> program, which introduces some more
basic concepts:</p>

<pre style="margin-left:10%; margin-top: 1em">.PS
box &quot;box&quot;;
move;
line &quot;line&quot; &quot;&quot;;
move;
arrow &quot;arrow&quot; &quot;&quot;;
move;
circle &quot;circle&quot;;
move;
ellipse &quot;ellipse&quot;;
move;
arc; down; move; &quot;arc&quot;
.PE</pre>


<p style="margin-top: 1em">The first thing to notice is the
<i>move</i