Which of the following statements is true regarding profile fragments?

Profile fragments in Adobe Experience Platform are components of a customer's profile that can be merged to create a unified understanding of the customer. The process of merging these fragments is guided by a defined merge policy, which determines how data from different sources is combined and prioritized. This merge policy is essential for ensuring that all relevant customer data is accurately represented in the final, comprehensive profile, allowing for a more holistic view of the customer and better-targeted marketing efforts.

The other statements do not accurately describe the nature of profile fragments. For instance, they do not represent all identities of a customer as this would suggest a complete profile rather than fragments of information. Additionally, profile fragments can be dynamic and updated as new data is collected, contradicting the idea that they are static. Lastly, profile fragments are not standalone profiles, but rather parts of a larger profile that need to be merged for complete insights into customer behaviors and preferences.