What is meant by frames in gas turbines? like frame 5 or frame 6 what is the difference b/w frame 5 or frame 6 and what technical mean by frame 5

Frames are structures which transfers all the load from the gas turbine engine to the mounts. The mounts (Axial mounts, radial mounts, thrust link, torque boomerang) all are located on the frames. The frames also holds all the bearing housings and their lubrication system and the accessory gearbox.