[wizardforhire]

A simple statement of acknowledgement.

> a quote from the article

A link to something relevant or interesting to add or support a point [1]

An opinionated comment or personal anecdote.

[1] the link from above

[bensyverson]

A reply which references neither the parent comment nor the article, but makes a strong and likely negative statement.

[Redster]

>> a quote from the article

> An opinionated comment or personal anecdote.

Counter opinion or added nuance. [1]

[1] A link for support or to demonstrate a counterexample.

[zirkonit]

An uncalled-for ad hominem that serves to quickly devolve the discussion in opinionated ragebait.