In Indian aesthetics, a rasa literally means "juice, essence or taste". It is a concept in Indian arts denoting the aesthetic flavour of any visual, literary or musical work that evokes an emotion or feeling in the reader or audience, but cannot be described. It refers to the emotional flavors/essence crafted into the work by the writer or a performer and relished by a 'sensitive spectator' or sahṛidaya, literally one who "has heart", and can connect to the work with emotion, without dryness.

Indian art evolved with an emphasis on inducing special spiritual or philosophical states in the audience, or with representing them symbolically.