Minecraft wiki entry for Village_mechanics, associated text: 1 Village definition
1.1 House
1.2 Gathering site
1.3 Size
2 Housing
3 Job site
4 Breeding and population cap
4.1 Willingness
5 Curing zombie villagers
6 Popularity
7 Cats
8 Iron golems
9 Zombie sieges
10 Raids