Power of Hierarchy:

• Hierarchy is simply defined as any system of persons or things ranked one above another. It is a system that helps as define order and organization.
• Hierarchy can link entities either directly or indirectly and either vertically or diagonally.
• It shows the relationship between the entities. Indirect hierarchical links can extend vertically upwards or downwards via multiple links in the same direction.
• Hierarchy is not only explain's how that system functions but also aids in predicting how any changes in the system will effect the system as a whole.
• A good web design is supported by good hierarchical system. If hierarchy is successful, it should support the website's goals.
• Hierarchy constructing a fully functional system, it provides a path to the viewer.

Examples: