This document discusses definitions and concepts of intelligence. It defines intelligence as the ability to learn from experience, solve problems, and adapt to new situations. Intelligence involves mental abilities like logic, reasoning, and problem solving. The document explores different definitions of intelligence from various psychologists and theorists. It also outlines characteristics of intelligence, noting it is influenced by both hereditary and environmental factors and differs between individuals. The conclusion states intelligence in education refers to the ability to learn and think abstractly, while psychology defines it as applying knowledge to manipulate one's environment, as measured by IQ tests.