To Lakoff and Johnson, metaphors are not just affairs of dialect, but are utilised extensively in reasoning and understanding. Typically, an abstract domain is appreciated metaphorically in periods of a more solid domain. To a large degree, they contend, the human conceptual scheme is metaphorical. This is very distinct from the academic form of metaphor, which assertions that metaphors are artifacts of dialect use, and have not anything to do with significance or understanding. It is furthermore very distinct from most AI forms of information representation and dialect understanding.