Building dynamic compound shapes

how you can use the four shape modes … to create yet another kind of special object in Illustrator, … which goes by the name compact shape. … And so let's start off with a definition … of what I'm talking about. … I'm just going to go ahead … and move these guys around a little bit, … so that the purple square completely covers up … And notice I end up with a static path outline, … as indicated by the word Path … on the far left side of the control panel. … All right, I'll go ahead and undo that … by pressing Control + Z … or Command + Z on the Mac a few times. … Things work differently if we have gaps between the paths. … Notice if I go ahead and marquee the paths now … and then click on the Unite icon … this time I've created a Compound Path, … as you can see, again, … on the far left side of the control panel, … which gives me a little flexibility in terms of editing. … So let's say that I want to move these paths … with respect to each other. … The easiest way to work … is to just go ahead and double-click on this object …