Driving school
D.I= Driving Instructor
D.I: OK. Before we set the car in motion, we just want to double check that your seat is comfortable.
Man: Yes, good.
D.I: OK. Your seat belt is on properly.
Man: Uhmm.
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What does “Your seat belt is on properly” mean?
Does it mean “Your seat belt is fastened properly”?
Thank you