dude where are the options
Steve jobs believe that his decision to drop out from college and learn calligraphy is what makes an apple an all an all different technology from other. Right after he dropped out from REEDS, he had no idea what he wanted to do. To just learn something fresh, he decided to learn calligraphy.
The earth is rather large and not exactly a point in space, the author however is comparing it to a point in space because of how vast space really is. A metaphor is basically a comparison (Not exactly true) that doesn't use the words like or as... (That's a Simile.) The earth isn't an actual dot in space. It's big, but because of how big space is, it's compared to a dot... Hope this helps... :)