There are many workspaces that AutoCAD has for free. One of those is 2D Drafting & Annotation. 2D Drafting is when technical drawings are created and edited. This type of drafting is important to a number of different fields, including creating inspection plans, developing floor plans, and creating layouts for landscapes.
Another workspace that AutoCAD has for free is 3D Modeling. This type of modeling is easy to use and gives properties to a mass area. This type can be used for reference geometry and for creating initial designs. Another workspace that AutoCAD has for free is the AutoCAD Classic.