Yes, that's correct. But that doesn't change the perception. If someone comes to the forum here and says they would like a house with 140 sqm, they do not mean the floor area according to the floor area ratio, but the living space.
So anyone who is allowed to build 140 sqm according to the floor area ratio calculation probably does not consider that they will not get 140 sqm of living space.
What is daily bread for you is by no means a given for many here.