1. Non-essential - A title usually is the result of hard work, therefore, it's not necessary to include that appositive phrase.
2. Essential - It tells you who the Keystone Corps are. Otherwise, you would have no idea.
3. It's non essential.
True, lots of these groups use language because it helps us communicate with a person in many ways.
Hi! :)
Aside from using an English old style, Jack London, the author of the story of Keesh used a figurative speech. One of the lines in the story is “The anger boiled a white heat.”
The author used personification and metaphor in the story to describe or identify something that is related to or the same as some unrelated things.