This document provides an overview of learning and learning theories. It defines learning, discusses the domains, features, principles, and process of learning. It also summarizes four major learning theories: behaviorism, cognitivism, constructivism, and humanism. Behaviorism views learning as changes in observable behavior due to environmental influences and conditioning. Cognitivism sees learning as the processing of information in memory. Constructivism emphasizes learning through experience and knowledge construction. Humanism views learning as a personal act to fulfill one's potential.