1. The space is open instead of boxed in, so you can walk around in the fresh air as you window shop.
2. Suddenly the young man in the taxi opened the rear window and threw a pile of money into the air.
3. Small air ducts make it possible to breathe, and there is a small window to see outside.
4. They broke a window and huddled atop the broken glass, sucking in the fresh air.