Why do we have to designate a "home page" on our sites? When we do this we are actually setting up duplicate meta tags and duplicate meta descriptions in the eyes of Google! See Google attachment below.
@jimeee I wouldn't worry about that. Every website has a home page, whether it's index.php, index.html, home.html, etc., it's the file that responds when thedomain.com is visited.
Regarding the metatags, Google pays more attention to the title tag and the contents of the page, than it does to metatags.
Hope it helps!