Normally autocad is used to make top down floorplans, with measurements for almost everything, so that you can build what is drawn, with horizontal detail drawings of those things that require detail drawings of how its constructed, from the bottom of the foundations, to the top of the roofs.
In other words, a drawn detailed description of the job as a whole.
Wow… my final exam assignment is still online: https://bygud.praxis.dk/course/view.php?id=16 Its in danish, but you can see the blueprints im talking about.
Uuh this looks promising, thanks mate