The workspace
Designs
The designs tab collects the visual artifacts the team produces: mockups, UI options, and the specs that turn a picked design into code.
Browsing designs
The view is split. On the left, a list of tickets that have designs attached, with a filter box to find the one you want. On the right, a preview pane showing the actual mockup. This is where you go back and look at what was proposed for a ticket, compare versions, or check what the team is currently building against.
Build contracts
Under a design you'll see its build contract: the concrete notes that travel with the design when an engineer implements it. Think of it as the difference between "make it look like this picture" and a written agreement about spacing, colors and behavior. You mostly read these, the team writes them.
Where this fits in the flow
Design work usually reaches you as a Pending Option ticket: the frontend engineer makes a few versions, you pick one in the option picker, and the picked version becomes the contract the real implementation is built from. The designs tab is the archive and reference view for all of that.