Various Historical mantras are located in the Saṃstrikeā portion of the Vedas. The Saṃstrikeās are quite possibly the most historical layer of the Vedas, and consist of several mantras, hymns, prayers, and litanies. This emphasis on Seems was one of the drivers for Kūkai's championing of the phonetic creating procedure, https://www.instagram.com/tantramantraaurvigyaan/