A customer profile can show who someone is; event-driven data adds what they did and when. These timestamped interaction records include engagement across marketing systems, websites, apps, and products. section 4.2.2
Unlike customer attributes or purchase records, activity records capture interactions such as clicks and visits. Combined with profile and transaction data, they can support targeting and personalization. section 4.2.2
Following a customer journey
Recording an email click, a paid-media impression, an SMS interaction, and a website visit creates touchpoints for journey analysis. Linking campaign and transaction data can connect those interactions to revenue. section 7.7.5
Figure 4.3 Customer data model: attributes, transactions, activities
The diagram distinguishes activity datasets from customer attributes and transactional datasets in a flexible customer data model. section 4.2.2
