Someone has given you a great gift - delegated steem power. It means that for a time (I am not sure how long) you can upvote other peoples' posts and comments with a larger upvote.
Steem -
I recommend that you start finding posts that interest you and develop relationships with those bloggers.
If you want to learn more about Steem I recommend checking out the Steemit FAQ.
RE: in all honesty i have read many articles and studies and i still do not understand steem, but i will just go with the flow