The Officers of a lodge (please note that due to Freemasonry being a world-wide organization not all lodges will be set up in the manner as described below):
Worshipful Master (WM): President
Senior Warden (SW): 1st Vice-President
Junior Warden (JW): 2nd Vice-President
Secretary (Sec): Secretary
Treasure: Handles all the money of a lodge.
Senior Deacon (SD)
Junior Deacon (JD)