Examples of the range of descriptions, definitions or explanations are: simple wakefulness, one's sense of selfhood or soul explored by "looking within", or “nothing at all”; being a metaphorical "stream" of contents, or being a mental state, mental event or mental process of the brain; having phanera or qualia and subjectivity; being the ‘something that it is like' to 'have' or 'be' it; being the “inner theatre” or the executive control system of the mind.[10]