In physics, a light field describes the direction of all the idealised light rays passing through an area.
In theory, chief financial officers spend idle moments admiring charts of the idealised firm's optimal capital structure.
In its idealised form, it has a three-language policy: students learn their regional or state language, Hindi and English over the course of their educations.
Different parts of the body go brown at different speeds, according to researchers at EdinBurgh University, so achieving that idealised image of beauty is not going to happen.
But, if less idealised, it is a lot more human and exhibits one very human characteristic in particular: he might have been the Lord of all he saw, but young King Tut had buck teeth.
