How to understand the small Tai Chi of Yang Zhai Feng Shui?

"One thing, one Tai Chi", for example, regards a villa, a house and a family as a universe, so it doesn't care about the size, and good or bad has nothing to do with other families. Just like some exclusive hospitals in rural areas, in order to grab Feng Shui, the gatehouse was built higher than its neighbors. In fact, this is an irrelevant misunderstanding, that is, "one thing, one Tai Chi".