What are the function of parking lot and parking space?

I think it is quite obvious it is a place in a public where we can left our car while we are inside their premises so we are assured that our cars are in good hands or place and that we can still see our car in good condition

A parking space is a space where you can park your things as cars and others safely beside the road or at a specific area. You may go through this Wikipedia site where you will get all information about the parking space.

Parking lots and parking spaces serve several crucial functions in urban and suburban environments. Firstly, they provide a designated area for vehicles to be temporarily stored when not in use, helping to reduce on-street congestion and maintain orderly traffic flow. Parking spaces also maximize the efficient use of available land, making it easier for businesses, institutions, and residential areas to accommodate a higher volume of vehicles in a limited space. Furthermore, they enhance safety by separating parked cars from moving traffic and pedestrians, reducing the risk of accidents. Parking areas generate revenue for businesses and municipalities through fees or permits, contributing to local economies. Overall, parking lots and spaces are essential components of modern urban planning, serving to manage the complex logistics of personal and public transportation while facilitating convenience and safety for all road users.