When incorporating direct quotations into writing, what is the function of brackets?

The answer would be.

Brackets are one of the punctuation tools used to prevent plagiarism. Brackets set apart additions or changes in the direct quotation made by the writer. They can indicate a change in verb tense, added words or punctuation, substituted words, or errors ([sic]). It is important to note that brackets must come in pairs.

pretty sure it is d hope this

awnser: alliteration, assonance, onomatopoeia.