The "Ben Asher Masorah" refers to a system of textual tradition and annotation used in the transmission of the Hebrew Bible. Developed by the Masoretes, particularly the Ben Asher family in the 10th century, it aimed to preserve the accurate reading and pronunciation of the biblical text. This system includes vowel markings and cantillation notes, which help in the correct recitation of the scriptures. The Ben Asher Masorah is significant for its role in the creation of the Leningrad Codex, the oldest complete manuscript of the Hebrew Bible. This codex serves as a primary source for modern biblical texts and translations, ensuring that the traditions of the Masoretes are maintained in contemporary religious practices.