The Avestan block contains characters used in the Avestan script, which was used for writing the Avestan language, the sacred language of Zoroastrianism. The script is alphabetic and was developed in the 3rd to 7th centuries CE to accurately transcribe the Avestan texts, which are central to Zoroastrian religious practices. The block includes characters for consonants, vowels, and punctuation. The Avestan script is significant for its role in preserving the religious texts and cultural heritage of one of the world’s oldest continuously practiced religions..