Some that slide up from the bottom, and some that swing out like a door.
My last house had some like in your thumbnail, some ancient ones with (layers of) small windowlets that slid sideways, and some modern door-style ones as well.
Some that slide up from the bottom, and some that swing out like a door.
My last house had some like in your thumbnail, some ancient ones with (layers of) small windowlets that slid sideways, and some modern door-style ones as well.