Natural Language refers to a human language that is spoken naturally and spontaneously, without any formal rules or restrictions. It includes colloquialisms, idioms, slang, contractions, and other informal expressions that are commonly used in everyday conversations. Natural languages include English, Spanish, French, German, Chinese, Japanese, among others. These languages evolve over time and vary across regions, cultures, and social groups. They allow humans to communicate with each other effectively through spoken or written words.