10 very basic commercial real estate terms, that also apply in some cases to residential real estate.  Terms include:  appraisal, broker, build to suit, concessions, escalation clause, HVAC, Lease, Lien, Sale-Leaseback (which got a lot of residential persons in financial trouble), and sublease.  More details may be reviewed at:  http://www.allbusiness.com/business-finance/leasing-office-leasing/1409-1.html