The central square is configured of walls and doors
The central circle within the central square is the residence of the deity
The four peaks at N, E, S, W are the gates
The 'two dimensional' form of the mandala eventually become colorfully shaded in. It is a blueprint for ritual and meditation and also serves, quite literally, as the blueprint for the 'three dimensional' form the mandala takes in the mind of the meditator. In the mind, it takes form.