What is the difference between gorilla tracking and gorilla habituation?

Gorilla Tracking is the normal viewing of the habituated Gorillas in Bwindi Forest and Mgahinga park for 1 hour at a permit fee of 700USD. Gorilla Habituation  Experience is the visiting of the wild and aggressive gorillas that are not used to people for 4 hours in Bwindi Forest and the permit cost 1500USD 

Gorilla Tracking and Gorilla Habituation Experience

1Day Gorilla Tracking Bwindi Impenetrable Forest National Park Uganda

Gorilla Trekking Safari and Budget Gorilla Tracking Tours

Gorilla Habituation Experience in Uganda in Bwindi Forest Park