These cheat sheets are for a quick guide only. Some of the sheets are explaining the same thing, but some people may understand one explanation better than another. Save, print and keep them in your camera bag for when you're out shooting. Click on the thumbnails, click on the image to enlarge it if necessary, then right click the image to save it.
For a more in-depth guide on these Cheat Sheets or to find more guides, go to Digital Camera World and do a search.
Ref: Cheat Sheets from Digital Camera World. Visit their website for more.