The document discusses romantic poetry and the use of similes and metaphors in writing. It notes that William Shakespeare was one of the most famous writers of love and romance, penning 154 sonnets. As an example, it shares Shakespeare's Sonnet 18 in full. It then defines similes as comparisons using "like" or "as", and metaphors as implicit comparisons that do not use those words. Finally, it presents examples of similes and metaphors to illustrate the difference between the two literary devices.