28:12 · This structure is used in the context of modern architecture and communications. As a sign in computer flow charting means sorting.
    With the square placed diagonally it becomes an Indian yantra structure. Yantras are visual structures linked to subconscious psychological complexes. Meditating over a yantra is considered to help when one is trying to reach higher levels of consciousness, for instance in in Group 14.
    Thus, it is probably psychological considerations and not esthetics or chance that made Germany's (and Europe's) at the time biggest bank, Deutsche Bank, adopt the yantra structure as its logo.
    This graphic structure, but placed so that the diagonal line in the square is horizontal, is said to have occurred on banners of the Mongols in the thirteenth century. See in Group 42.