Q. What are the types of sliding window locks?

Here are the types:Folding lock: Casement windows typically have folding locks built right into the frame. Folding locks maintain security by locking the sashes when turned down and unlock when turned up.Latch: Every single and double hung window has a lock called a window latch.Keyed Locks: Windows are usually equipped with both a latch lock and a keyed lock for further security.Window Wedge: There are many different styles of window wedges available. Some wedges can be pushed up and down the window while others are secured with Velcro and can be moved up and down as needed.