Casement windows and sliding windows are both common choices for modern homes, but they solve different design needs. Casement windows are hinged at the side and open outward or inward, while sliding windows move horizontally along tracks.

System windows and traditional windows may serve the same basic function, but their design logic is different. Traditional windows are often selected by profile size, glass type, and opening method.

Broken bridge aluminum windows and ordinary aluminum windows may look similar from a distance, but their performance is very different.