Page display certain Category Posts

Question

I want to do almost exactly this: http://codex.wordpress.org/Pages#A_Page_of_Posts

But Im confused by the last line:

Save this to pageofposts.php and then assign PageofPosts as the Template when creating the action Page:

How do I tell Wordpress to go to index.php, (or anything else) when, for example, it receives an 'events' slug?

Answer 1

Read more on how to use page templates