What does the desk pressure beam mean in Feng Shui?

In Feng Shui, the desk beam is placed under the roof beam. For a building, it is under the load-bearing beam;

In Feng Shui, if a person sits under a large roof beam, it suppresses the person's luck and has an impact on people's development. And objectively speaking, it is also a depressing feeling for people. Therefore, desks should generally be kept away from the underside of roof beams.