Question

a short, informal reference for something from history, greek/roman mythology, shakespeare, the bible, or literature
when objects or abstractions are given human feelings, thoughts, or attitudes
a phrase whose meaning is not obvious from the words used and often part of ordinary conversation
a word that, when pronounced, imitates the sound the word names
when future events are hinted at in a story
usually one or two words, in which seemingly contradictory terms appear side by side
a comparison between two unlike things, usually using \like,\ \as,\ \than,\ or
esembles\
when a story includes an event that happened at an earlier time
options (from dropdown): oxymoron, onomatopoeia, idiom, foreshadowing, personification, allusion, flashback, simile

Explanation:

First Matching (A short, informal reference...):

An allusion is a short, informal reference to something from history, mythology, literature, etc. So this definition matches "allusion".

Personification gives human feelings, thoughts, or attitudes to objects or abstractions. So this definition matches "personification".

An idiom is a phrase with a non - obvious meaning from its words, common in ordinary conversation. So this definition matches "idiom".

Answer:

allusion

Second Matching (When objects or abstractions...):