Symptoms are how a driver describes the problem. A noise when braking, a light that came on this morning, a smell of burning: those searches come from somebody who needs an answer today and has no idea what it is called.
Cost per job is searched constantly and answered almost nowhere. A range for a clutch, a cambelt or a set of brakes attracts drivers who are deciding whether to repair the car at all.
Naming the makes serviced pulls customers from further away. Owners of certain marques expect to pay dealer rates, and a specialist independent is worth a longer drive to them.
Availability is a filter as much as a service. Open on Saturday, same-day for common jobs, or somewhere to leave a key overnight decides between garages that are otherwise identical.