The article highlights the importance of the scope management for the success of projects and organizations, respectively. The scope/results/objectives are the important key elements of modern project management methodologies, being important tools for both project planning and control. We consider that the scope management is the set of processes that ensure the identification and structuring of project content into deliverables, milestones and activities that, systemically, ensure the expectations of stakeholders. The analysis of the evolution of the content of the project scope management is presented by the comparative-evolutionary analysis of this topic in more advanced editions of Project Management Body of Knowledge and another methodologies which are known and used internationally. The paper presents the processes that make up the scope management proposed in PMBOK's last edition and the author support the opinion that they, in general, contribute to the elaborating and insurance the realization of the project content in line with stakeholder expectations. The analysis of processes in project cost management has allowed the generalization of some ways of improvement of this domain.