http://www.cigarhandbook.com/RingGuide.asp That should give you an idea about the gauge. I need to work on a guide for the names of the different cigar sizes. I just haven’t had the time to work on new content in a while. Len: should just be the length (in inches) of the cigar.

Corona and Figurado are names given to the cigar based on its dimensions. A Corona for example is a cigar that is 5.5" long and has a 42-44 ring gauge.

Maduro refers to the cigar's wrapper. It's a dark wrapper. Other common wrappers are Natural and Claro.