I know what I am going to post as a response might sound like self publicity, but the best post I know on basics of steemit is the one I understand the most & I understand the best when I put it in my own words.

Kindly give this post a read. Maybe some of your queries will get answered! Wish you good luck on steemit.com

https://steemit.com/steemit/@nrajesh/attention-content-makers-nitty-gritties-of-steemit