Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.
Wall and wall were two common terms in architecture. They were different in function and structure. A wall was a city wall or fence built with earth, stone, bricks, and other materials. Its function was to separate space, protect, and bear weight. The walls generally did not have a closed top, so they could climb over them. The wall was a barrier made of earth, stone, bricks, and other materials inside the house. It was tightly connected to the roof or ceiling to separate the inside and outside space. The walls were usually sealed, and one could not climb over them.
The definition and difference between walls could be deduced. The walls mainly consisted of bearing walls and non-bearing walls, which served as a protective barrier and space partition. The wall must have sufficient strength and stability, as well as heat preservation, heat insulation, sound insulation, fire prevention and waterproof capabilities. There were many types of walls, and they could be made of a single material or a composite material. A wall was a type of wall, a barrier inside a house. It was connected to the roof or ceiling to separate the inside and outside of the house.
To sum up, a wall referred to a city wall or fence built with earth, stone, brick, and other materials to separate space, protect, and bear weight. A wall referred to a barrier built with earth, stone, brick, and other materials inside a house. It was tightly connected to the roof or ceiling to separate the inside and outside space.