What is the Design Workspace in fusion 360?

This is the part of Fusion we work in to create 3d models.
Under the Design workspace there are 6 Sub Categories.
Solid – For creating Solid bodies
Surface – For creating Surface features (infinitely thin 3d fabric)
Mesh – For modifying and manipulating Mesh Bodies such as 3d scans
Sheet Metal – For creating folded steel and aluminium components for sheet metal manufacture
Plastic – For creating and adding plastic features such as Ribs, Bosses, and clips used in injection moulding/3d printed component design.
Utilities – Tools to analyse and measure our components we have drawn.