Orderliness, a desire for organizationCategorization, the process in which ideas and objects are recognized, differentiated, and understoodHeterarchy, a system of organization wherein the elements have the potential to be ranked a number of different waysHierarchy, an arrangement of items that are represented as being "above", "below", or "at the same level as" one anotheran action or inaction that must be obeyed, mandated by someone in authority reference
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Observatoire Royal de Belgique (Royal Observatory of Belgium)