: Indicating it is a "feature-complete" build for a specific platform (e.g., PC, Xbox, or mobile).
: Improved high-definition graphics and textures compared to the original 2010 release. File: Toy.Soldiers.HD.zip ...
In the context of file sharing or archiving (like on GitHub, Archive.org, or specialized forums), the "feature" might refer to a or metadata field : : Indicating it is a "feature-complete" build for