Parallelism is a literary device that consists in the addition of the same grammatical structure in each sentence and/ or in the repetition of a phrase, clause or word in a sentence. Parallelism is a key element in persuasive techniques, it allows to emphasize on specific ideas, to contrast and create a relation between two or more ideas, and to deliver clear messages that the audience can easily process.
Parallel structures in writing are created by arranging the ideas in a clear way and respecting the structure of each sentence following the same pattern to create balance and rhythm, a few examples are:
I love dancing, singing and reading.I came, I saw, I conquered.A penny saved, is a penny earned. I believe I can fly, I believe I can touch the sky.