The term parallelism refers to the use of similar structure within a sentence, paragraph, or paper to keep ideas organized.
Faulty parallelism is the incorrect use of parallelism.
To correctly show parallelism, the items listed should be the same part of speech , the same structure , or the same form. The sentence should have read Trees provide shade, shelter, and beauty. By changing the independent phrase they are beautiful to the noun beauty , the writer shows the direct relationship between the words shade , shelter , and beauty . When used correctly, parallelism creates a flow and causes main ideas to stand out. Parallelism can be used by a writer to help guide the reader through the paper.