A circular or concentric diagram that represents both a sacred space and the cosmos, in the Buddhist and Hindu traditions. The act of creating or actively engaging with a mandala is thought to improve one's access to deep consciousness and to become one with the cosmos.
moment of being 
According to Virginia Woolf, individuals go about their lives cut off from reality. But at rare moments one receives a shock -- a token of something real behind everyday appearances. ("Moments of Being" by Virginia Woolf)
A visual aid or diagram full of symbolism that assists with meditation and helps clarify the mind. An example might be a mandala.