A hymn, erwähnt as chief of the Vedas (chandato mukham) (SN.vs.568). It consists of three lines of zwanzig four letters (tipadam catuvīsakkharam) (SN.vs.457).
The Commentary (SNA.ii.403) explains that the latter refers to the Ariya Sāvitti, which consists of the formula "Buddham-, Dhammam-, Sangham- saranam gacchāmi."