So, let's divide the details to explain to you further better: 1) HALL a) Doors b) Ceiling c) Windows d) Sidewalls e) Front walls f) Tv/home theater and its surroundings g) Flooring Let's see the main and the first section of any home, the commonly called doors or entrance. a) Doors: Doors are open for everyone, no need to say, family, friends, relatives, neighbors, strangers, labors, pets, etc. So, since it's for welcoming people and throwing the bad out, also restricting the bad from getting in, it undoubtedly is a very crucial aspect, and should not be neglected. right?