"of course", "clearly", "obviously", and other like interjections are a form of higher-order punctuation, and while strictly eliminable, good authors use them as rhythmic elements to delimit chunks of an argument. Yes they are "noise words" and phrases but they are the ones we all know and love (in English) so probably best not to press this point too hard. :)

"of course", "clearly", "obviously", and other like interjections are a form of higher-order punctuation. While strictly speaking they're eliminable, good authors use them as rhythmic elements, cognitive breaths to delimit chunks of an argument. Yes they are "noise words" and phrases, but they are the ones we all know and love (in English) so probably it's best not to press this point too hard. :)