Figure 9
Examples of hierarchical descriptions. (a)–(c) A bottom-up description: (a) a specific star structure made up of sub-units linked to a core, (b) a diagrammatic representation of sub-units in the star structure and (c) a diagrammatic representation of a star sub-unit. (d)–(e) A top-down description: (d) four linked star sub-units and (e) the detailed structure when inserting the internal structure. |