Minecraft wiki entry for Farming, associated text: Animal farming
Using wheat, seeds, beetroot, and carrots to breed animals, to be slaughtered for their products or used in egg, milk, or wool farming.
Bee Farming
Using flowers to breed bees to store in beehives and bee nests, and make Honeycomb and/or Honey.
Hostile mob farming
Creating spawn rooms for hostile mobs to be killed for their drops.
Villager farming
Farming villagers requires the player to have enough beds and job site blocks for each villager for them to breed.
Guardian farming
Farming guardians by funneling them to a concentrated area for materials and/or experience.
Blaze farming
Farming blaze rods from blazes.
Pillager farming
Farming crossbows, emeralds, iron tools‌[Bedrock Edition only] and ominous banners from pillagers.
Drowned farming
Farming tridents, nautilus shells, rotten flesh and copper ingots from drowned.
Slime farming
Farming slime balls from slimes.