Thai is a Tai-Kadai language spoken primarily in Thailand, where it is the official language, as well as in parts of Laos, Cambodia, and Myanmar. It has over 60 million speakers worldwide. Thai has a unique writing system, which uses a combination of phonetic letters and Thai characters. It has a complex grammar structure with a system of tones, verb conjugations, and noun classifiers. Thai has been influenced by various languages, including Pali, Sanskrit, and Chinese, and is known for its literature, music, and art. It is an important language for trade, tourism, and culture in Southeast Asia.