The Vedas consist of Mantras and Brahmanas. Mantras are of four varieties - three mainly concerned with the sacrifice (Yajna), viz. (i) verses for recital (Richa), (ii) verses for chanting (Saman), and (iii) prose formulae (Yajus), and the last (iv) Atharvangirasah, formally indistinguishable from either (i) or (iii), with magical