Regiment commander, company commander, platoon commander, battalion commander, these names symbolize rank and authority in the army. Arranged in descending order, the regimental commander is at the top and is the supreme commander in the army, responsible for controlling the actions of the entire unit. His decisions directly affect the outcome of the war, so every order he gives needs to be carefully considered to ensure its accuracy and effectiveness. 
The company commander, as a subordinate of the regiment commander, is responsible for directing the combat operations of a company. He needs to understand the strategic intent of the head of the regiment and translate it into a concrete course of action. The company commander plays a key role in the war, and he needs to be vigilant at all times to ensure that the company's combat effectiveness is maximized. 
A platoon commander is a subordinate of a company commander and is responsible for directing the combat operations of a platoon. He needs to refine the company commander's orders to ensure that each soldier understands his or her tasks and responsibilities. Platoon commanders need to keep an eye on changes in the battlefield and adjust tactics in time to deal with various unexpected situations. 
The battalion commander is a subordinate of the regiment commander and is responsible for directing the combat operations of a battalion. He needs to coordinate the actions of the different companies to ensure that the combat effectiveness of the entire battalion is maximized. The battalion commander plays a role in the war, and he needs to understand the strategic intentions of the regiment commander and translate them into concrete courses of action. 
In the army, the chain of command from top to bottom is: regiment commander, company commander, platoon commander, soldier. This chain of command guarantees the unity of command and coordinated actions of the army. In the chain of command, the superior commander is responsible for directing the subordinate commander, and the subordinate commander is responsible for carrying out the orders of the superior commander. This structure allows the army to quickly respond to various situations in the event of a war and maintain efficient combat effectiveness. 
In addition to regiment commanders, company commanders, platoon commanders, and battalion commanders, there are many other commanders at all levels in the army, such as deputy regiment commanders, deputy company commanders, deputy platoon commanders, etc. These commanders also have certain powers and duties in the army, but remain subordinate to their superior commanders in the chain of command. Their presence ensured the stable and efficient operation of the army and provided a strong guarantee for victory in the war. The order is regiment commander - battalion commander - company commander - platoon commander.