In the paleolithic age the people lived in caves and or small tents.
Look at my temporary cave!
In the neolithic times they built new and bigger shelters with mud and bricks in a rectangular shape.
Time to start building!
In the neolithic age people stored food inside holes inside the floor to have more space.
Where's the bread at?
The development of permanent shelters was important because they didn't have to move more places by feet and because there were no animals attacking them, more comfort, large community, and we could cook food inside.