MindStick has three platforms on which you can deliver a comment.

The Article/News/Blog in the Developer Section

In which we can post a comment and cannot reply to it. Now if we want to reply to any comment, we need to write the comment again. 

The YourViews Section 

We have the reply facility on the comment, so we easily reply to any comment. 

The MindStick Q&A Section

In which we can post a comment and answer, we cannot reply to any comment same as the Article/News/Blog section, only we can comment on any comment.