Which is a purpose of a project brief? 

Answer options:

A. To act as a base document which enables the project board to assess progress
B. To provide a sound basis for project initiation
C. To define how the achievement of the project`s benefits can be measured
D. To provide a description of the means and frequency of communication

B

Reference: http://www.prince2how2.com/2014/12/prince2-project-brief-template.html