The Natyashastra, written by Bharata Muni, is an ancient Indian treatise on dramaturgy and performance arts. It is considered the foundation of Indian literary theory and provides insights into various aspects of drama, including plot, characterization, and演出.

Anandavardhana is considered the father of Indian literary criticism. He is known for his work 'Dhvanyaloka', which introduced the concept of 'dhvani' or suggestion as the primary element of poetic meaning.

The central idea of 'dhvani' in Indian literary theory is the evocation of multiple meanings and associations beyond the literal sense of words. It emphasizes the suggestive power of language and the reader's active participation in interpreting the text.

Bharata Muni, in his 'Natyashastra', introduced the concept of 'rasa' or aesthetic experience as the primary goal of戏剧. Rasa refers to the emotional response evoked in the audience through the performance of drama.

The eight traditional 'rasas' identified in Indian literary theory are: Shringara (erotic), Hasya (comic), Karuna (pathetic), Raudra (furious), Veera (heroic), Bhayanaka (terrible), Adbhuta (wonderful), and Shanta (peaceful).

Abhinavagupta is known for his work 'Abhinavabharati', an influential commentary on Bharata Muni's 'Natyashastra'. He expanded on the concept of 'rasa' and provided a detailed analysis of various aspects of戏剧.

Mammata's 'Kavyaprakasha' primarily focuses on the evaluation of poetic quality. It provides a systematic framework for analyzing and judging the merits of a poetic composition based on various criteria such as diction, imagery, and structure.

Jagannatha is known for his work 'Rasagangadhara', a treatise on the theory of 'rasa'. He further developed the concept of 'rasa' and provided a detailed analysis of its various aspects, including its relationship with other aesthetic elements.

Kunti Madhava, in his work 'Vakroktijivita', introduced the concept of 'Vakrokti' or oblique expression. He argued that the use of indirect and suggestive language enhances the beauty and impact of poetic expression.

The concept of 'Riti' or poetic style in Indian literary theory emphasizes the adherence to traditional poetic conventions and norms. It involves the use of specific linguistic features, meters, and structures associated with different genres and styles of poetry.

Vishvanatha Kaviraja is known for his work 'Sahityadarpan', a comprehensive treatise on Sanskrit poetics. It covers various aspects of literary theory, including poetic genres, figures of speech, and the evaluation of poetic quality.

Bhoja's 'Sarasvatikanthabharana' primarily focuses on the analysis of poetic figures. It provides a detailed classification and explanation of various figures of speech and their use in poetic composition.

Rudrata is known for his work 'Kavyalankara', a treatise on the use of poetic figures. It provides a systematic analysis of various figures of speech and their application in poetic composition.

The concept of 'Alaṅkāra' or poetic ornament in Indian literary theory emphasizes the use of figurative language and imagery to enhance the beauty and impact of poetic expression. It involves the use of various figures of speech and stylistic devices to create vivid and evocative imagery.

Rajashekhara is known for his work 'Kavyamimamsa', a treatise on the philosophy of poetry. It explores the nature and purpose of poetry, the relationship between poetry and other arts, and the role of the poet in society.