Answer:
Alliteration refers to the repetition of consonant sounds at the beginning of two or more words.
Irony is the use of words expressing something other than their literal intention and usually in a humorous context.
Sarcasm is the use of acerbic language to mock or convey contempt.
Pun is a type of wordplay in which similar definitions or sounds of two or more phrases are deliberately confused.
Hope it helps.
Stay blessed.