So when you have a game's introduce documents, you have a wide range of components, which everybody may not require.
(Image : google )
You'll have your surfaces, your sound documents, your models, etc.
Presently, in case I'm downloading a game, I may not require the 4k surfaces, since I can just run it up to 1080p.
Or on the other hand I won't need the Spanish and German language packs.
Fitgirl isolates these into discretionary pieces, and uses pressure calculations to decrease the size further.
You get a similar game, yet you can cut the cushion and thin it a piece to make for a littler download.
You single out the pertinent pieces, and overlook what you don't need or need.