propertyvarna_definition_primary_unit definition Varṇa is the primary unit of melodic movement, formed when svaras stretch syllables via steadiness, varna_structures_melody relation Varṇas, being the primary units of melodic movement, are responsible for the construction/structurinvarna_four_types enumeration Varṇa has four kinds: sthāyin (steady), sañcārin (circulatory), ārohin (ascending), avarohin (descenstructural