Rig Veda – book of mantras
Yajur Veda – how to perform yagnas
Sama Veda – chants and melodies
Atharva Veda – hymns, mantras and incantations

Vedas contain four sections

  • Samhita – collection of hymns, prayers, benedictions, sacrificial formulas, litanies
  • Brahmanas – prose treatises discussing the significance of sacrificial rites and ceremonies
  • Aranyakas – forest texts
  • Upanishads – philosophical treatises on life, universe and everything

Upavedas

  • Ayur-veda: medicine
  • Gandharva-veda: music and dance
  • Dhanur-veda: warfare
  • Shilpa-veda: architecture