http://blogs.realtown.com/bim-services/2015/12/06/how-bim-can-help-in-the-construction-industry/

BIM (building modeling information) in the AEC industry is a very critical topic. You’ll read varying definitions of BIM – some say that it’s a software application, where some will tell you it’s a 3D model of buildings. Then again, others will inform that it’s all about the collection of data and then organizing that data into a structure database.