Based on the context provided, a return on trim refers to a specific cut made on molding (like baseboard) where the trim turns back into the wall, creating a finished end. Specifically, the video excerpt discusses cutting baseboard returns using a miter saw, emphasizing laying the molding flat on the saw base.
In essence, a return is the finished end itself; creating a "return" involves cutting the trim at an angle (typically 45 degrees) and then another corresponding piece to create a neat, closed end instead of leaving a raw edge exposed. This is common around doorways, cabinets, or where the trim simply ends without meeting another piece.
