A '''command hierarchy''' is a group of people who carry out orders based on others' [[authority]] within the group.<ref>{{CitationCite web needed|title=What Is a Chain of Command? (Definition and Explanation) |url=https://www.indeed.com/career-advice/career-development/chain-of-command |access-date=2022-05-18 |website=Indeed JanuaryCareer 2016Guide |language=en}}</ref> It can be viewed as part of a [[power structure]], in which it is usually seen as the most vulnerable and also the most powerful part.{{Citation needed|date = January 2016}}
