Feng Shui is about the flow of energy in the environment and people within the building. It is the understanding of nature and using its properties.
It is a logical process.
It is not a religion as you do not need to have faith to believe in Feng Shui.
It is not spirituality as there is no connection with something that is bigger than us.
It is not a form of superstition as there is no relation to the supernatural.
It is not magic where mysterious tricks are carried out.
It does not involve a ritual where you have to perform a series of actions for a solemn ceremony.
When you get Feng Shui recommendations from a Traditional Chinese Feng Shui consultant. After a discussion, you follow the recommendation and let nature take its course.