There is a section within your Brief page called "Questions". Here, the Creative Freelancers can ask you questions before submitting a quote to your brief. You can discuss your Brief here, as well as Book the Creative Freelancer through here using the green "Book Now" button on their Question. Read more about how the hiring process works in our User Guide.
Note: Conversations between you and the Creative Freelancer will only be seen between you and that Creative. Therefore, any discussions taking place in this section are private.