(1) The document discusses the difference between arguments and opinions, noting that arguments require supporting evidence and reasoning while opinions do not.
(2) It also provides guidelines for writing arguments, including stating a claim, providing evidence for the claim, addressing objections, and concluding by re-evaluating the original position.
(3) An example is given of an argument responding to a claim that the English language is inherently racist based on meanings associated with words like "black" and "white." The example uses evidence to argue this is due to human metaphorical thinking rather than racism itself.