i find  Police officers to be very important for the community, In most countries, "police officer" is a generic term not specifying a particular rank
That is interesting. Are there different terms then for police officers in other countries that have the patrol car and community duties as cops in America?
well, In most police departments of the United States, "police officer" or "officer" is also the rank held by a regular police officer
What other ranks of law enforcement are there?
general public, and the maintenance of public order. Police officers may be sworn to an oath, and have the power to arrest people and detain them for a limited time, along with other duties and powers. Some officers are trained in special duties, such as counter-terrorism, surveillance, child protection, VIP protection, civil law enforcement, and investigation techniques into major crime including fraud, rape, murder, and drug trafficking. Although many police officers wear a corresponding uniform, some police officers are plain-clothed
Police officer
A police officer, also known as an officer, policeman, policewoman, cop/copper, garda, police agent, or a police employee is a warranted law employee of a police force. In most countries, "police officer" is a generic term not specifying a particular rank. In some, the use of the rank "officer" is legally reserved for military personnel.
Police officers are generally charged with the apprehension of criminals and the prevention and detection of crime, protection and assistance of the