The Tai Viet block contains characters used in the Tai Viet script, which is used for writing several Tai languages spoken in Vietnam, Laos, and Thailand. The script is an abugida, with each consonant carrying an inherent vowel sound that can be modified with diacritics. The Tai Viet script has been used for a variety of texts, including religious literature, poetry, and historical documents. This block includes all the characters needed to write in Tai Viet, reflecting the linguistic diversity and cultural heritage of the Tai-speaking peoples..