Hey, its nice to see you here :)

You can find some good posts explaining how steemit works:
https://steemit.com/steemit/@mindover/steemit-for-dummies-like-me-everything-you-need-know-to-get-started

as well as this:
http://www.smithandcrown.com/how-does-steem-it-work/

have a nice day!