I am very thankful for this detailed Answer. Because I am new here, so almost 70% of it I understood completely but still some points are so complex that it will take time to understand.
Because you already did a lot of effort to explain me almost every point, So I was thinking not to bother you more, So I was asking question in Chat as well.
As I get to know the lump sum amount which we see on every ones post is SBD. But when I read following artile..... This guy is writing in picture number 3 and at point 4 that it is USD. Thats why I was confused what is that.................. Actually this (following Link) is the reason I made this blog.

https://steemit.com/steem-help/@steempowerwhale/how-to-upvote-make-money-and-avoid-costly-mistakes-quick-and-easy-help-for-noobs