This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
1.Alliteration: When to the sessions of sweet silent thought ,I summon up rememberence of things past.
Definition; Alliteretion is the repetation of a speech sound in a sequence of nearby  word.
2.Allusion; Is a passing reference without explicit identification, to a literacy or historical person, place or event or passage.
3.Metaphor;metaphor is a figure  of speech that makes  a  comparison between two seemingly unlikethings  without using the connective words. Eg-
"He was a lion in the battle".
4.Simile; In a simile a comparison between two distinctly different thing is explicitly indicated by d word "like" or "as".
Eg- "And ice, must hide came,floating as green as emerald.

Ricky-That's all I know....