The following words and phrases shall have the meanings respectively ascribed to them in this section for purposes of this article:
Any mechanical device or meter not inconsistent with this article placed or erected for the regulation of parking by authority of this article. Each parking meter installed shall indicate by proper legend the legal parking time established by the Director of Public Safety and, when operated, shall at all times indicate the balance of legal parking time and, at the expiration of such period, shall indicate illegal or overtime parking.
Any space within a parking meter zone, which is adjacent to a parking meter and which is duly designated for the parking of a single vehicle by lines painted or otherwise durably marked on the curb or on the surface of the street or lot adjacent to or adjoining the parking meters.
Any restricted on-street parking area or off-street parking lot upon which parking meters are installed and in operation.
Any restricted on-street parking area which limits the amount of time a person can park any vehicle within a designated area.