A movable pane is a common architectural feature that allows for ventilation and light control in buildings. Synonyms for this term include movable window, sliding window, and sash window. These types of windows are often found in traditional buildings, such as homes and commercial establishments. They are designed with a movable frame that slides horizontally or vertically to open and close the window. Some variations of the movable pane include tilt and turn windows, which allow for larger openings and easier cleaning. Overall, these types of windows remain a popular choice among architects and homeowners for their practicality and functionality.