Also known as an user-task matrix, is a simple approach for exposing frequency and importance by user class or persona.
To indicate what tasks are most critical for user experience.
How to do it
Ask the user questions about the importance and frequency about a task.
Gather all the information and seperate each task into a subtask.
Insert each task into a diagram and ensure its complete.
Review the analysis with the team and check if the tasks are consistent.
“The User Task Matrix.” by Chauncey Wilson