When life evolves, you will take the form of Vishnu, the one who will perform the task of observing and preserving this universe.
The outer most mandapam is replete with sculptures of various forms of Vishnu, especially the avatars.
It is also sometimes used to describe a particular form of Vishnu.
In the original text, Mohini is referred to as simply an enchanting, female form of Vishnu.
According to these texts, the saints were considered incarnations of some form of Vishnu.
Also the form of Vishnu at Tirupati is well known as Venkateswara.
Rama was a form (an avatar) of Vishnu.
These can be held in any of the icon's hands, making possible twenty-four different forms of Vishnu, each with a unique name.
Another description describes the Chakra as a sixteen-armed fierce form of Vishnu.
The shrine has a life size (about 6 ft) image of Kesava (a form of Vishnu) with four hands.