Pretty simple question

Can anybody tell me what all of these mean cuz im kinda clueless on it:

Qms, Qes, Qts,Fs, Vas,Cms, Mms, Sd, Bl, Re, Xmax, Znom, Vb, F3, Pe, Qtc?

Thankyou and srry theres so many thanks

they are the thiele-small parameters for speakers. They allow a speakers performance to b written down as equations rather than just guessing.

Check out this wikipedia entry ......if you are able to understand it, it pretty much explains it all.

http://en.wikipedia.org/wiki/Thiele/Small