in macbeth act 4 scene 2 i need three literary devices and sentences ?

Lady Macduff calls her son a "poor bird." - Metaphor

The young Macduff is called an "egg" by one of the murderers. - Metaphor

Lady Macduff asks why her husband would fly the nest and leave her and her little ones (the chicks) alone. - extended metaphor because she carries it on for a longer discussion.