The Natya Shastra, attributed to the sage Bharata Muni, is an ancient Sanskrit text that deals with the theory of dramaturgy and performance. It is considered a seminal work in Indian aesthetics and poetics, providing insights into the nature of drama, acting, music, and dance.

Rasa, a central concept in Indian aesthetics, refers to the emotional experience or aesthetic enjoyment derived from a work of art. It encompasses a range of emotions, such as love, joy, sorrow, anger, and fear, that are evoked through various artistic elements.

Anandavardhana, a prominent Indian literary theorist, introduced the concept of dhvani, which refers to the implied or suggested meaning in a literary work. He argued that the true meaning of a text lies beyond the literal level and is conveyed through subtle hints, allusions, and associations.

The alamkara tradition in Indian poetics deals with the use of figurative language and rhetorical devices to enhance the beauty and expressiveness of a literary work. It encompasses a wide range of figures of speech, such as similes, metaphors, personification, and hyperbole.

Abhinavagupta, a renowned Indian literary theorist, made significant contributions to the rasa theory and introduced the concept of vakrokti, which refers to the use of indirect or oblique expression to convey deeper meanings and emotions in a literary work.

The nayaka-nayika bheda concept in Indian poetics involves the classification of characters based on their roles and relationships in a literary work. It typically includes the hero (nayaka), the heroine (nayika), and various supporting characters.

Raja Sekhara, an Indian literary theorist, is known for his work on the riti or style theory. He proposed three main styles of writing: Vaidarbhi, Gaudi, and Panchali, each characterized by distinct linguistic and rhetorical features.

The chaturvarga in Indian aesthetics refers to the four main goals of life according to Hindu philosophy: dharma (righteousness), artha (wealth), kama (pleasure), and moksha (liberation). These goals are often reflected in the themes and values explored in Indian literature.

Abhinavagupta, a prominent Indian literary theorist, made significant contributions to the rasa theory and introduced the concept of anubhava, which refers to the aesthetic experience or enjoyment derived from a work of art.

The kavya tradition in Indian literature encompasses narrative poetry that typically deals with heroic deeds, love stories, or mythological tales. It includes various subgenres, such as the mahakavya (epic poem), the khandakavya (short poem), and the muktaka (single-verse poem).

Anandavardhana, a renowned Indian literary theorist, is known for his work on the dhvani theory and the concept of rasa-dhvani, which refers to the evocation of rasa through suggestion and implication.

The gunibhuta-vyangya concept in Indian aesthetics refers to the suggested or implied meaning that arises from the skillful use of language and poetic devices. It is considered a higher form of expression that goes beyond the literal level of meaning.

Rudrata, an Indian literary theorist, is known for his work on the alamkara tradition and the concept of rasa-alamkara, which refers to the use of figurative language to evoke rasa or emotional experience in a literary work.

The riti theory in Indian poetics deals with style and diction, focusing on the appropriate use of language, imagery, and rhetorical devices to convey the intended meaning and create a desired effect on the reader.

Kuntaka, an Indian literary theorist, is known for his work on the vakrokti theory and the concept of vakrata, which refers to the use of oblique or indirect expression to convey deeper meanings and create aesthetic delight in a literary work.