Don't worry, we were all there once :) I am still quite new myself.
Here are some helpful articles from other users!

@davemccoy has a whole series of posts for new people on steemit - heres a link to the first one
Beginner guide 1

And another helpful beginner post from @premnakarmi Beginner guide 2

Hope that helps! If you have any questions, feel free to ask :)