Nope. Not a Certificate of Deposit. That's money talk. In the design industry, CDs mean "Construction Documents." Those are the drawings and specifications created by design professionals to explain clearly what the project is about.
This is a construction drawing done by Barbara Feldman Interiors. We provide full sets of drawings and specifications for bidding and construction purposes. To see what a complete set of design documents looks like and to understand what each drawing is about, click here: https://www.hamptonsinteriordesign.net/constructiondrawings