A deputy officer in a region or unit who is second only to the rank of leader, commonly known as the second in command.

In a team, number two is actually the "deputy" of number one and belongs to the "second-in-command". To be an excellent "second-in-command" and play its best role, you must have "two hands".

Senior leaders refer to organizations, units and the top leaders in the world. The basic feature of the top leader is that he has the actual rights of personnel, business management, financial management and post salary adjustment. In rural areas, it refers to the top leaders in the village. People who occupy an important position in the family and have the right to decide some important events in the family are usually one of the husband and wife.