What does the abbreviation "CU" stand for in film terms?

In film terminology, "CU" stands for "Close Up." This shot type is characterized by framing an actor's face or an object closely, which helps to emphasize details and emotions. It creates a stronger connection between the audience and the subject, allowing viewers to focus on subtle expressions or important features that might be overlooked in wider shots. Close-ups are frequently used in storytelling to draw attention to significant moments, convey emotions, or highlight critical narrative elements, making them an essential tool in cinematography and visual storytelling.

The other options, while they may sound plausible, do not represent established film terminology. "Cut Up" doesn't specifically refer to a type of shot and is more associated with editing techniques or styles. "Camera Up" does not correspond to a recognized film term, and "Contextual Up" is not a standard phrase within the industry. Thus, "Close Up" is indeed the correct and widely accepted meaning of the abbreviation "CU" in the context of film.