Essortment teaches you how to understand guitar tabs. There are six lines that represent a string: E, A, D, G, B and E. Numbers are written on the strings representing fret tabs that tell you where to fret on each string. Also learn how to read a cord which is all the numbers placed at the same time. Numbers on top of each other is a string and lined up means to strum. These are the basics to reading a guitar tab so when you see a tab you are able to play and understand.