Appreciated lads.
Yes, dialogues can be a hiccup thing, regardless the medium you are doing. Shark is right about sparsity of the words - "show, don't tell" is a rule most adept in the comics. At least when it doesn't break the flow of action and sounds unnatural.
That's why I find Future Shocks useful in resorting to economical ways to tell a story. As a matter of fact, I was generally interested in the matter, but another reason I asked is that I currently am working a few FC submission, so when the lockdown is over (hopefully soon)... I 'll keep in mind 30 words whatever I write from now on.