Cundī dhāraṇī or mantra also 1st appeared within the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The use of mantra or the repetition of selected phrases in Pali is usually a really widespread sort of meditation during the Theravada tradition. Very simple mantras use repetition from https://www.youtube.com/@AacharyaGoldieMadan/