need help understanding

How is the role of the project manager different from the role of the functional manager? A functional manager focuses on leading project teams in the business function, while a project manager leads project teams in the technical side of a company. A project manager focuses on operations and the work of the company, while a functional manager leads business teams to create business requirements. A project manager focuses on implementation details for development teams, while a functional manager focuses on requirements and designs, A project manager focuses on providing management oversight for a functional or business unit, while a project manager focuses on leading a project team to complete project objectives