Related Clues:

• It's often framed
• Aptly named Windows navigation feature
• Dormer section
• It's framed
• Window part that might be made of sugar glass
• Part of a glass door
• Greenhouse unit
• Give a poor rating to electronic Windows feature?
• Slab of glass is tiresome thing we hear
• Square for a window shopper?
• Transparent block in Minecraft
• Skylight piece
• Sheet of glass in a window frame
• Window unit?