Intelligent systems is an interdisciplinary academic concept and research domain focused on the theory, design, and implementation of artificial entities capable of exhibiting intelligent behavior. This field investigates computational principles underlying perception, learning, reasoning, decision-making, and autonomous action. Key characteristics of such systems often include adaptability, problem-solving capabilities, and effective interaction with complex or uncertain environments. Their significance lies in enabling automation, augmenting human intelligence, and addressing intricate problems across various disciplines.