Cundī dhāraṇī or mantra also 1st appeared while in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The use of mantra or maybe the repetition of particular phrases in Pali is often a very prevalent method of meditation within the Theravada tradition. Straightforward mantras use repetition https://www.youtube.com/@Mahavidyabaglamukhi/