When a public vehicle lets off passengers - is it regarded as stopping?

1. At first it is regarded as stopping and later on as parking.
2. Correct answer: Yes, it is regarded as stopping.
3. No, it is not regarded as stopping.
4. No, it is regarded as parking.

WhyLetting passengers off a public vehicle counts as stopping, not parking. Parking is when a vehicle stands longer than needed to let people on and off.