Learn to sketch UML (not use it as a formal development language) -- it's incredibly useful if you don't get too caught up in formalities. "UML Distilled" by Ma

Learn to sketch UML (not use it as a formal development language) -- it's incredibly useful if you don't get too caught up in formalities. "UML Distilled" by Martin Fowler is a tiny book that teaches you enough to sketch it. I made a UML cheatsheet a while ago for a talk: http://loufranco.com/blog/uml-cheatsheet http://loufranco.com/blog/uml-cheatsheet