Reputation is actually a bit complicated. But I found this explains it well:

https://steemit.com/steemit/@cerebralace/your-reputation-score-is-the-key-to-your-success

Also, check out my most recent blog. I think it might help you.

https://steemit.com/steemit/@artopium/how-to-steemit-101-an-artist-s-guide-or-how-to-sell-your-art-and-music-for-crypto-part-ii