Answer:
I've not read Farenheit 451, but from the quote I believe it's trying to say "it doesn't matter what you do, as long as you impact it enough to be remembered" or something similar, though again I may be wrong as I've not read the book.
Explanation:
Yes, it can either be a command or advice depending on the context in which it is used
<span>using contraction colors , visual design technique , techniques that increase a viewers visual responses.</span>