I have heard of DMs (I believe the Angry DM is most often attributed for this idea) saying "click" when a character does something to set off a trap. Each of the characters can then say one quick action that they would do, such as "duck", "jump back", etc. and if that action was the right guess...
RAW doesn't really have anything to do with world building. Whether Bob, who currently is occupied as a farmer, has a character's sheet as a Fighter or a Warrior or Guard statblock is entirely up to the DM, and can add verisimilitude to the world.
An argument could also be made that a huge...
Thanks for the heads up! I'd been considering this purchase for quite a while for a prospective future campaign, and at this price I finally pulled the trigger.