How are the positions in the company ranked? Are the managers of all departments under the general manager?

General group companies are (in order of size)

President (that is, chairman)

Executive vice president (usually only one, exercising his power in the absence of the president)

Vice President (usually in charge of several regions)

General manager (usually in charge of several fields)

Executive Deputy General Manager (one)

Deputy General Manager (in charge of multiple modules)

inspector-general

deputy director

manager

Deputy manager

Responsible/in charge