DATUM A Datum is reference line or plane that is used to establish a consistent order and hierarchy in architectural design. It is an organizing element that helps to structure and unify a building , allowing the different parts to be perceived as a coherent whole. The datum can be any physical elements , such as a wall or floor ,or a conceptual element , such as a grid or axis.
Datum as line….
Datum as a plane……
Consistent and Hierarchy Order….
Organizing Element _ structure and Unify _ Coherent Whole