Teaser: two sentences on what this is about and for whom — shown on the list and as the search-engine description.
Brief: what is sought, for whom, period, conditions. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Submission: what to submit (portfolio, statement), how and by when decisions are made. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.