What is the difference between a porch and a screen?

The difference between partitions and entrance halls: Partitions are walls, airtight walls. Generally speaking, they are lightweight walls and are not load-bearing. They are mostly used to divide indoor spaces. Partitions are separated and continuous. They are used to divide indoor functions. They have requirements for light and air penetration. They are mostly used between dining rooms and living rooms, or between entrance halls and halls.