BIM is creation of digital integrated model (information) of existing or future environment. It connects geometry, spatial relations, lightning analysis, geographical parameters, amounts and technical description of the element (for example, details on manufacturer).
The term BIM can relate to building information management which is connected with building information modeling and building information model.
BIM is used in every project phase, planning, projecting,constructing, building management and its maintenance enabling:
-support in project decision making processes;
-early detection of potential errors in the project;
-fast changes and easier change management;
-clearer understanding of project goals and relations with other project participants;
-visualization of project solutions;
-improvements in projecting and project coordination;
-increase and quality insurance of building processes and final product.