Natural language refers to the way humans communicate with each other through spoken or written words, without the use of any formal or artificial rules. It is the most common and instinctive form of communication, allowing individuals to express their thoughts, feelings, and ideas in a fluid and dynamic manner. Natural language is constantly evolving and varies across cultures and regions, making it a rich and diverse means of expression. It is the foundation of human interaction and plays a crucial role in shaping our understanding of the world.