I found a very agile white paper , written by Ismail Ghalimi.
Ismael Ghalimi is a passionate entrepreneur and fervent industry observer,
founder and CEO of Intalio, creator of BPMI.org and initiator of Office 2.0.
This paper gives you not only a short course of all the BPM terms but also give you an evaluation of current market techniques. and how BPM 2.0 vision will solve current users and market problems.
paper url : http://itredux.com/bpm-20
Ismail Blog : http://itredux.com