Terms every AI product builder should know. A year ago, only engineers needed to know these. Now basically everyone does. Hooks = rules enforced by code Tools = where the agent can act Memory = everything it remembers Harness = everything around the model Context Library = all of its knowledge Human-in-the-Loop = where humans review Sandbox = a walled-off place to run code Agent Loop = keep working until it's done Skills = playbook for repeatable workflows Permissions = what it can do…