Whenever in this act or in any other law of this state relating to registration of motor vehicles any of the following words or terms are used: 1. Number plate or plates. 2. License number plates. 3. License number plate. 4. Number plate. 5. Number plates. 6. Registration number plate. 7. License tags. 8. Tags; or any other word, term or phrase of similar import or meaning is used in any such law, the same shall be construed to mean and include any plate, tag, token, marker or sign issued under the provisions of this act for the purpose of identifying vehicles registered under the provisions of the motor-vehicle registration laws of this state or otherwise carrying out the provisions of such laws.