'Workspace' is the root folder in a Polylith project. It's where we work with our building blocks and assemble our systems.
Let's extend the building block metaphor into a desk metaphor. We can think of a workspace as a desk: a place to work with our building blocks. It has "drawers" to keep the blocks, "shelves" to assemble our systems, and a "work surface" of environments for development.
Let's take a look inside the first "drawer", where we keep all the bases.