The Black Eight Squadron was an Imperial military unit composed of pilots who were highly trained in flying TIE/LN starfighters and TIE/sa bombers for the Imperial Navy. The Sith Lord Darth Vader maintained the squadron under his direct command, and personally supervised the selection of its lead pilot.
The Baseline Test is an examination designed to measure any emotional deviance by Nexus-9 Replicant models (and perhaps previous models). To be "Off Baseline" would be considered a failure of such test.
Innovative Online Industries, or IOI (pronounced eye-oh-eye) was a global telecommunications conglomerate and the world's largest Internet service provider - the creator of OASIS