Consent management has evolved beyond simple notices and checkboxes into a critical operational capability for organizations handling personal data at scale. This article explores how a Consent Management Platform (CMP) translates legal consent requirements into practical technical controls by examining five core components: data subjects, collection channels, consent scope, processing activities, and stakeholders. Through a real-world e-commerce consent journey, it demonstrates how CMPs capture, synchronize, and enforce user preferences across systems to support transparent and compliant data processing.