A marketing automation architect is designing a scalable content system. The architect needs a way to reuse complex personalization logic, such as an `if/else` statement that checks multiple profile attributes to display a specific greeting.
Which type of fragment should the architect use to create this reusable logic?

A business practitioner is reviewing a profile in the Adobe Experience Platform interface. They need to see which audiences the profile is currently a member of.
Which tab within the profile view should they select to find this information?

A data analyst is troubleshooting a journey where profiles are successfully entering from a "SignUp" event, but no emails are being sent. The journey log shows that every profile flows directly to the "timeout or error" path of the Email activity. The email surface is valid, and the test profiles have email addresses.
Upon inspecting the "SignUp" event payload being sent to the platform, what is a likely cause of this error?

A marketing analyst is setting up an A/B test within a journey to measure the effectiveness of two different promotional paths. 50% of the audience should be directed to Path A, and the other 50% to Path B.
How does the 'Percentage Split' condition activity determine which path a profile takes?

A mobile app product manager wants to trigger a journey the moment a user completes the in-app tutorial for the first time. The development team has configured an event to be sent upon completion.
What journey activity must be placed at the very beginning of the journey canvas to listen for this signal?