Here's an incredibly easy and fast trackpad gesture you can use to show the desktop in OS X Mavericks.
1. Put your thumb and three fingers on your trackpad.
2. Spread them apart.
3. All windows will be moved out of the way and you can see your desktop.
I was very happy indeed when I found I could do this. It's much faster than using a keyboard command to see my desktop in OS X Mavericks.
Read more: Tech Radar