Typically, Matrix Structures are:

When employees have two superiors, a product or project manager, and a functional manager.

the point when the entrepreneur is replaced by a team of managers who have specific specializations.

typified by the entrepreneur, who founds a company to promote an idea $($a product or a service$)$ and tends to make all the important decisions personally and is involved in every detail and phase of the organization.

typified by the corporation's managing diverse product lines in numerous industries; it decentralizes the decision$-$making authority.