The core purpose of a digital product roadmap is to outline a strategic plan for product development. It serves as a visual summary that communicates the vision, goals, and progress of a product over time. Roadmaps help align stakeholders, including teams and management, by providing a clear timeline of key milestones, features, and priorities in the development process. By defining objectives and metrics, a roadmap ensures that product teams remain focused on delivering value to customers and meeting business goals.