Not really.
Foreshadowing is the author's hint that something is going to happen later on. Exposition occurs when characters discuss what happened earlier.
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http://www.lausd.k12.ca.us/lausd/resources/Literary.Terms.html#Exposition
Are foreshadowing and exposition kind of the same thing?
2 answers
No, foreshadowing is the use of hints and clues to show what is going to happen in a story; exposition is the introductory material which gives the setting, creates the tone, presents the characters, and presents other facts necessary to understanding the story.