रीतिरात्मा काव्यस्य; विशिष्टापदरचना रीति: |' Riti means style. Kavyalankasutra is the poetic work of Acharya Vamana, where he talks about riti. For Vamana, that formless, indeterminate essence of Kavya is Riti.Vamana said; the essence of Kavya is Riti (रीतिरात्मा काव्यस्य); just as every body has Atma, so does every Kavya has its Riti.