If you check a villager minecraft wiki, you'll see tons of info. Jobs, trades, breeding mechanics. It's a lot.

Villagers in Minecraft were once just cool mobs that would offer simple trades, but now, they have become an essential part of every survival world. So, if you plan on building a trading system, here ...

Villages are among the most valuable structures in Minecraft, offering resources, trading opportunities and a safe place to establish a base. Learning how to find villages, defend villagers from ...