Designated space is a term used to refer to an AREA that has been specifically allocated for a particular purpose. It can be used to describe a physical location, such as a parking spot or a designated AREA in a store, or it can refer to a virtual space, such as a website or online forum. The term is often used in the context of safety and security, as it allows people to know where they should and should not go. The four-letter word for designated space is AREA.