The phrase "separate download" means to receive or obtain a file or software separately, instead of it being included with something else. Full definition
All are in the same colour / font theme so match nicely:) All resources are available as separate downloads. (tes.com)
No crazy patch files, no downloading of 3 - 4 different folders worth of apps along with separate downloads for the radio files, just a straight up good ol' autoloader. (crackberry.com)
Notable differences seem to be that the Vita version requires separate download of voice - overs (for free), the resolution (1080p on PS4 vs 540p on Vita), the amount of detail in the on - screen models, and the draw distance. (thevitalounge.net)