Hierarchy and its importance

Hierarchy means classify every thing in specific series , or some code , or some direction so that when we need that thing we can get easily it from that series or that roots .
Hierarchy is so important in every field so it there following thing hierarchy is attached

1. Social hierarchy

2. Storage hierarchy

3. Memory hierarchy

4.Arithmetic hierarchy

5.alt hierarchy

6. process hierarchy

7. data hierarchy

8. Traditional newsgroup hierarchy .

9.Protocol hierarchy

10. Alternative newsgroups hierarchy .

With hierarchy we can bring discipline in our life because grouping of person and things will helpful to find what we need that person or thing . Without grouping of people , peoples look like animal one is here and other is there . This will create indiscipline in any organisation .