What is the meaning of the word "service"?

Definitions:

A formal ceremony of worship in various religions, such as a church service or prayer service. NOUN
- The weekly service at the cathedral drew people from all over the city, eager to participate in the communal worship.
A non-tangible commodity provided to consumers or businesses. NOUN
- After moving to the city, she found herself overwhelmed by the range of services offered, from 24-hour gyms to home grocery delivery.
Maintenance or repair work performed on machinery, vehicles, or electronic devices. NOUN
- The car was due for service next week to ensure it remained in good condition for the road trip.
The action of helping or doing work for someone. NOUN
- He spent his Saturdays performing community service at the local food bank, helping to organize donations.
The formal delivery of a document such as a writ or summons. VERB
- She was served with divorce papers.
The performance of duties by a waiter or servant. NOUN
- The waiter provided impeccable service throughout our meal.
Work performed by public servants or military personnel. NOUN
- Her five years of service in the Navy have provided her with valuable experiences and a sense of discipline.