Totally confused about some stuff! Help!

<p>Okay, so I just started the common app and I had a few questions:</p>

<ol>
<li><p>For the activities, exactly what are we supposed to describe? I know some people just attach a resume going over stuff, but I think some of my ECs are self-explanatory (ex. Orchestra, Science Olympiad)....? Especially in 100 characters...</p></li>
<li><p>I'm planning on sending a few schools only 1 of my ACT scores (I took it twice)...so is it possible for me to change it for each school? Also, I'm not sending in my SAT scores to the colleges that have score choice...so...yeah, can I change each app (the testing part) for each school?</p></li>
<li><p>When we give the teachers the reccs (paper form) are we supposed to sign it? My name was already written on it, and I just checked off the box w/ the waiving the rights to see the recc. But was I supposed to sign next to my name again?</p></li>
</ol>

<p>Thanks!</p>

<p>You can create different versions of the application. If you go to your main page, click on “Common Application” then “Instructions” then “Application Versions” it’ll walk you through it. I’m having to do the same thing. Appying EA and taking more tests in November and December, so I have to do a second version in December to reflect those SAT subject tests.</p>