Welcome to steemit! You can search for blog posts to help you further on how steemit works. One of the posts that i can share, which helped me a lot is this: https://steemit.com/steemitguide/@maverickinvictus/90-days-in-steemit-and-all-the-things-that-i-learned-or-part-1
There are a lot of interesting things here on steemit which i know you'll enjoy. Welcome again and have fun.