The TAD site is an analogy of the actual construction site. Hence, when you start a project, you get a flat land. You need to take measurements on the site to relate one edge of your building to another. The Cursors on the TAD site help you with the on-site activities.
The two types of cursors that help you perform your design activities on the TAD site are:
Press F1 inside the application to read context-sensitive help directly in the application itself