What components are included in the definition of a window system?

The definition of a window system encompasses more than just the basic structural parts; it includes all components that function together to create a complete unit. The correct answer identifies that a window system comprises the frame, trim, sashes, jamb, and stops.

The frame provides the structural base mounted in the wall, the trim refers to decorative moldings that finish off the window, the sashes hold the glass panes and can be operable or fixed, the jambs are the vertical parts of the frame that house the sashes, and the stops are the small strips that hold the sashes in place within the frame. This comprehensive view reflects the actual assembly and functionality of a window, acknowledging that each part plays a crucial role in the window's performance, aesthetics, and overall integration into the building structure.

In contrast, the other options are limited in scope. They either exclude essential components or reduce the definition to insufficient elements, thereby failing to capture the complete picture of what constitutes a window system. A full understanding of the components involved is essential for assessing potential risks associated with lead exposure in the context of remodeling, maintenance, or construction activities involving windows.