There are three core principles in symbolic interaction perspective of Blumer: Meaning, language (language provides means [symbols] for debating meaning) and thinking principle. Symbolic interaction theory acknowledges the principle of meaning as the center of human behavior.
An image of a stick figure with a dress means woman. An image of a stick figure without a dress means man. A drawing of a heart means love. A bald eagle means freedom and America. A stick figure sitting in a chair with a large wheel means handicapped.