如何设置非本地svn服务器？

Hi i would to know how to se up a svn server? Now, i'm using VisualSVN a TortoiseSVN, but i don't know what are the directories "branch" "trunk" "tags". Can anyone explain me how it works? I read the svn book and many sites articles about it but i don't understand.Hi i would to know how to se up a svn server? N