OK. The rank system defines who has authority and what roles and responsibilities people have.
Its based on dominance, authority, as well as roles and responsibility in a military hierarchy.
Field marshal is the highest military rank Is that so? I know that military ranks are found in various services, like the armed forces, police and intelligence agencies. That is true
Military ranks and the military rank system define among others dominance, authority, as well as roles and responsibility in a military hierarchy.