Support to which drywall is attached

STUD

["Think about the frame of a wall. What are the vertical pieces of wood called?"]

**Explanation:** The clue *"Support to which drywall is attached"* refers to a structural element in construction. In building framing, drywall (or plasterboard) is typically fastened to vertical wooden or metal supports called **studs**. The word *"stud"* directly describes this support structure, making it the straightforward answer. There is no wordplay or pun involved—this is a simple definition-based clue where the answer is a common term in construction. The connection is clear and literal.