Hatha yoga made out of two Sanskrit words "prāṇa" (प्राण, breath, vital energy, life force) and "āyāma" (आयाम, restraining, extending, stretching). Some Hatha yoga texts teach breath exercises but do not refer to it as Pranayama. For example, "Gheranda samhita" in section 3.55 calls it "Ghatavastha" (state of being the pot). In others, the term "Kumbhaka" or "Prana-samrodha" replaces Pranayama. Regardless of the nomenclature, proper breathing and the use of breathing techniques during a posture is a mainstay of Hatha yoga. Its texts state that proper breathing exercises cleanses and balances the body. "Pranayama" is one of the core practices of Hatha
Vedas and "Know your Ātman" their thematic focus. The Upanishads are the foundation of Hindu philosophical thought and its diverse traditions. Of the Vedic corpus, they alone are widely known, and the central ideas of the Upanishads have influenced the diverse traditions of Hinduism. "Aranyakas" are sometimes identified as "karma-kanda" (ritualistic section), while the Upanishads are identified as "jnana-kanda" (spirituality section). In an alternate classification, the early part of Vedas are called Samhitas and the commentary are called the Brahmanas which together are identified as the ceremonial "karma-kanda", while "Aranyakas" and "Upanishads" are referred to as the "jnana-kanda". The Vedangas developed