Complete list of location services with descriptions?

Is there a complete list of location services options *that also has descriptions for what each of them means/does?*

Apple pay merchant identification 

Cell network search

Compass calibration 

Emergency calls & SOS

Find My iPad

HomeKit

Location-based alerts

Location-based Apple Ads

Location-based Suggestions

Motion calibration & Distance 

Setting Time Zone

Share my location 

System customization 

Wi-fi calling

Wi-fi networking

Significant locations

iPad analytics

Popular near me

Routing & traffic

Improve maps

I found a partial list with descriptions here: 

https://support.apple.com/en-us/HT207056

Hoping to find an all-inclusive list w/descriptions.

Thanks!