The Unveiling card, Revelations family, yin polarity, evokes a curtain parting to let the scene appear. It signals that information or a truth is about to, or has just, come to light. This card invites you to prepare to see a situation as it really is.
In Oradia's mirror-card system, Unveiling answers to Light: the two don't oppose each other, they answer each other, like two sides of the same movement.
This page gives the card's general meaning. In a real draw, the Unveiling card is always read in relation to the other cards drawn and the intention set at the start — it's that combined reading, unique to each draw, that the online oracle develops.