Thematic Options?

<p>I just got the letter inviting me to apply in the mail. Sorry if this has already been asked, but what is it? The pamphlet seems vague. Also, a few other questions: How selective is it? Does getting invited to apply mean that you're in? Is there separate housing? How writing intensive is it?</p>

<p>Thanks in advance</p>

<p><a href="http://talk.collegeconfidential.com/university-southern-california/470590-thematic-option-honors-program.html%5B/url%5D"&gt;http://talk.collegeconfidential.com/university-southern-california/470590-thematic-option-honors-program.html&lt;/a&gt;&lt;/p>

<p>I am working through the application essays right now.....and thoughts/guidance on how long they should be?</p>