The term FRAME PART is used to describe the components of a frame, which is a structure that provides support for a building or other object. The four crossword solutions for this term are JAMB, SILL, STUD, and DOORPOST. A JAMB is the vertical side of a doorway or window opening, while a SILL is the horizontal piece at the bottom of the opening. A STUD is a vertical structural member used in walls, while a DOORPOST is the vertical part of a door frame.