Not exactly, it means, that can arrive with the 4 essential accessories,
1-deep plate cut.
2- coppi rings,(2 or more).
3- flexible base.
4-the square base, and the angle base for angle cuts, that's it, as far as I know, because the parallels guide, it's often included, so..
Besides, I even link you a video to see it for u self, sorry,, it's Italian, this is the most guide wood workman I ever meet, or one of them, he's really awesome, he actually teach like no others, and is just a good guy, see this
https://www.youtube.com/watch

Four different shank diameters of the milling cutters can be used