VidyaranyaVidyāraṇya (devanāgarī : विद्यारण्य), littéralement « forêt de sagesse », auparavant nommé MādhavācāryaNom qu'il avait avant son sannyāsa (1297 - 1386) était un religieux, renonçant et philosophe indien de l'Advaita Vedānta. Il fut le Supérieur de l'institution monastique (maṭha) de Sringeri de 1375 à 1386. Il est connu pour être l'auteur du célèbre "Traité en 15 chapitres" Pañcadaśī. Vidyaranya aurait été conseiller des premiers rois de Vijayanagar et l'un des chefs spirituels de la principale branche du Vedanta fondée par Adi Shankara.
Svādhyāya(Devanagari: स्वाध्याय) is a Sanskrit term which means self-study and especially the recitation of the Vedas and other sacred texts. It is also a broader concept with several meanings. In various schools of Hinduism, Svadhyaya is a Niyama (virtuous observance) connoting introspection and "study of self". Svādhyāya is a compound Sanskrit word composed of sva (स्व) + adhyāya (अध्याय). Adhyāya means "a lesson, lecture, chapter; reading". Svā means "own, one's own, self, the human soul".
Sphoṭa(स्फोट, ˈsphoːʈɐ; "bursting, opening", "spurt") is an important concept in the Indian grammatical tradition of Vyakarana, relating to the problem of speech production, how the mind orders linguistic units into coherent discourse and meaning. The theory of is associated with Bhartṛhari ( 5th century), an early figure in Indic linguistic theory, mentioned in the 670s by Chinese traveller Yijing. Bhartṛhari is the author of the Vākyapadīya ("[treatise] on words and sentences").