Cundī dhāraṇī or mantra also 1st appeared in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā The use of mantra or maybe the repetition of selected phrases in Pali is actually a very frequent type of meditation while in the Theravada tradition. Easy mantras use repetition https://www.facebook.com/share/1J6iVuTuXb/