Note that you can also have different types of managers across the same levels in the organization. A project manager is in charge of developing a certain project, e.g., development of a new building. A functional manager is in charge of a major function, such as a department in the organization, e.g., marketing, sales, engineering, finance, etc. A product manager is in charge of a product or service. Similarly, a product line manager is in charge of a group of closely related products.
General managers are in charge of numerous functions within an organization or department.
Many people believe it applies only to people who oversee the productivity and development of entry-level workers. For example, a middle manager's supervisor typically would be a top manager. A first-line manager's supervisor would be a middle manager. A worker's supervisor typically would be a first-line manager. Supervisors typically are responsible for their direct reports' progress and productivity in the organization.