The is a diverse interpretation of digital identity across different sectors like government, private sector, or advertisement companies. It underscores that the concept's meaning largely hinges on the context it's used in. The five mental models—Space-time, Presentation, Attribute, Relationship, and Capability— provide a framework for understanding digital identity in various digital environments. Identity cards, membership certificates, user names, biometric data, passwords and many other attributes draw the picture of your online identity. But it is not only individual features, but their relationship to each other that provides the necessary context.