The title of Shakespeare's A Midsummer Night's Dream has both literary and social significance. The title tells the audience right away that the play is going to deal in some way with a sort of dream on a summer night.
And so is your teacher, isn't she?
Answer:
a. arbitrary
Explanation:
It is considered arbitrary because if there is nothing about the meaning that inevitably demands the use of that form or sound, it means that it was chosen based on random choice or personal whim rather than any reason or the use of any system.