It looks like you’ve shared a listing for a of F.E.A.R. 3 (styled as F.3.A.R.) for the Xbox 360 .

Indicates the game will run on consoles from any region (NTSC, NTSC-J, or PAL).

A standard disk image file that can be burned to a DVD or used with certain hardware emulators.

In the context of the Xbox 360 homebrew and modding scene, these file types mean: