Published DLLs, files that may needed to run the game.
These connect you to a Service, it can be no (Free), Epic, Steam Service. If more exists it will be shown here.
Whichever service you use (or download from here, or from the 3rd Party Licensed Distributor), it will come with a document.
Ensuring you are Agreeing with those to use Game.
Those can see under "/Licenses/<Platform>/" directory in this repository.