Final answer:
The term for files that include GPS-relevant information is Geo-tagging, which adds geographical information like latitude and longitude to media.
Step-by-step explanation:
The term for files that include GPS-relevant information with them is D. Geo-tagging. Geo-tagging is a process where geographical information is added to various media such as photographs, videos, websites, or SMS messages. This information usually consists of latitude and longitude coordinates, though it can also include altitude, bearing, distance, accuracy data, and place names.
Geo-tagging enables a variety of location-based services, such as allowing users to find a wide range of location-specific information from a device. It is commonly used in digital photography to record the exact location that a photograph was taken, which can be helpful in cataloging and organizing photos, as well as in forensic analysis.