The definition given in this film about reality is excellent. Alice, while talking to her cat in her waking reality, says that “Nothing would be what it is, because everything would be what it isn’t. And contrary wise, what is, it wouldn’t be. And what it wouldn’t be, it would. You see?” This fundamental principle of reality essentially is saying that All that Is, is simply Nothing that Is not, since all is One, and nothing is not. There is no such thing as duality. Non duality means all reality combined, comprises the Ultimate Reality, and therefore, it is not nonsense to have a world of non-sense.
At another point, Alice makes the statement to one of the anthropomorphic creatures in Wonderland saying that “I can’t explain myself, I’m afraid, Sir, because I’m not myself you see.” Alice says she is not who she is. This can be seen as representing a false sense of one reality being more real than another reality. There is no quantitative measure with respect to how real one reality is over another parallel and seemingly as-real reality. This can also be seen as an ego issue. If Alice had no ego at all, which is what Wonderland can make her realize about her Self, she would understand that there is no “her” and that she just “is”. She has an attachment so some false sense of self in another reality, which she believes is the true reality. However, as Alice ventures through Wonderland, she comes in contact with many other creatures that believe quite the opposite.