A "house" is essentially a container -- for a person, a family, several families or even a large group with shared interests (think of the term "houses of worship.") In the Bible, a "house" is also a container, but for spiritual things rather than natural things. In various uses a "house" can represent part of the mind, the whole mind, a whole person or even a church. The other nuance to the word "house" is that it is generally used in regards to our affections and desires rather than our thoughts and principles. This makes sense; we tend to engage our thoughts and rationality when we are out in the world doing our work, but when we are inside our houses we are driven most by love for our families and the desire to be good to those we love. So "house" tends to represent the things we want and care about -- which are ultimately the things that define us.

5123. 'In yet three days' means that at that point a new state is arrived at. This is clear from the meaning of 'three' as that which is continuous even to the end, and so also that which is complete, dealt with in 2788, 4495; and from the meaning of 'days' as states, dealt with above in 5122. From this it is evident that 'three days' means a complete state; consequently 'in three days', that is, after three days, means a new state, 4901, for once a state is completed a new one begins.