<p>I'm almost positive it means to click if you are sure you're attending (or if you want good housing and you're willing to lose $200 if you decide not to attend). Because when you click it it brings you to a place to pay the deposit.</p>
<p>I accepted admissions while I'm still waiting to hear back from the college I was deferred from. You have to pay a $200 deposit fee, but it ensures good housing etc...</p>