In your own case, spam is when you storm an author's post with ingenuity comments, this is an abuse - his post has useful information - tell him what's useful about what you read. And I'll take my downvote away since you are new here.
It's better to upvote than to comment with irrelevance.
Thanku sir
I will take care of this in future .
Sir I have changed my comment now plzz take your down vote back
Thank you my dear friend for been a good steemian, you will enjoy your stay here when you do things nice.
Downvote overturned!
Thanku sir .. I will try my best