???Back in the day??? you could make your computer do things
only by typing commands into it via your keyboard (hand cramps aplenty!). I don??™t know about
you, but I can??™t see my grandmother hunkered over her desk, typing a couple hundred lines of
programming code into her computer via her keyboard, just so she can print her shopping list.
Thanks to GUIs, all she has to do is open a text editor program by pointing her mouse to that
program??™s icon and clicking it, typing her list, and then clicking the Print icon. GUIs have made
life for the average computer user light years better than it once was.
Discover Your Inner GUI
Let??™s take a look at all the elements that make up your Mac??™s GUI and find out what their basic
roles are.
Icons
Icons, a few examples of which you can see in Figure 2-1, are the small pictures you see nearly
everywhere on your Mac. These pictures represent objects on your Mac and, if designed properly,
are usually very descriptive of that object. For instance, icons for text documents typically look
like a piece of paper, iPhoto??™s icon includes a camera and a photo of a palm tree, Printer Setup
Utility??™s icon looks like a printer, and so on.
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