Chinampas: Man-made floating islands used by the Aztecs for agriculture. These artificial plots of land allowed them to grow crops such as maize and beans.
Calpolli: A basic unit of organization in Aztec society consisting of families that lived together, shared resources, and had communal obligations.
Tribute: Goods or resources paid by conquered regions or vassal states to the ruling Aztec empire as a form of taxation or tribute.