A popular combination includes a fixed (non-opening) window paired with an operable style like a casement, sliding, or awning window. The fixed portion provides an unobstructed view, while the operable part allows for ventilation. Often seen together, with the picture window in the center and casement windows on each side. This combination offers a wide view with options for ventilation. Awning windows can be installed above or below casement windows, allowing airflow from different directions. Combination windows are often used in living rooms, bedrooms, and other areas where a mix of functionality and style is needed.