What Do Both GPS and GIS Use

What do both GPS and GIS use?

A) Identifies the geographic location of features and boundaries on Earth, such as natural or constructed features, oceans, and more.
B) Links business assets to a centralized system where they can be tracked and monitored over time.
C) In spatial databases is a coding process that assigns a digital map feature to an attribute that serves as a unique ID (tract number, node number) or classification (soil type, zoning category) .
D) Both use location-based services (LBS) applications that use location information to provide a service.