Answer: Dickinson punctuation and lines in her poems to establish a rhythm. Each reader will naturally find themselves reading the poem in the same way. She uses The repeating question marks and exclamation points to convey the passion in her words. Shelley uses punctuation to help paint a picture in the reader's mind. For example, the ellipses after "Stand in the dessert" evoke a silence, as it would feel in a deserted, old place.
Read the line from act 2 of The Importance Of Being Earnest cecily. It is always painful to part from people whom one has known for a very brief space of time.
The literary device used in the line is a EPIGRAM!