Answer: Skill and expertise
Explanation:
A successful professionalism develops when the person is able to contribute for the society. Person is able to accomplish own and family oriented goals. A professional can serve the society with skill and expertise. Skill is learned during the learning phase of a professional and expertise comes from experiences related to a particular occupation and handling of real cases. For example, a medical pramedic employee can get skill during the learning face but can earn expertise but handling patients drawing and collecting blood and conducting further analysis to diagnose a particular disease or disorder. The conclusion comes from expertise.
I don’t know the rest of your question but if you’re asking if you have to turn on your headlights, otherwise the cops can pull you over to tell you to turn them on