Quick Guide:

You can publish your post by writing title and content of the post (need to sign in or sign up to do this).

The user can also like posts, by clicking the heart icon below the post. Clicking the icon heart while the icon is pink can remove the like (need to sign in or sign up to do this).

You can comment on the post, by visiting the post page and filling the text box and click the submit button (need to sign in or sign up to do this).