A trope, as it pertains to stories, is a plot structure, theme, storyline, character arc, etc. They are commonly defined with a few easy words, and more recently, have become something to seek out as an author. There are many, but a few of the most common ones are: enemies-to-lovers, fake dating, or even specific scenes like the “Who hurt you?” or an angry love confession. 

Tennis Girl Summer, Parisian Girl Summer, Cool Girl Summer. Which persona do you want to take on for the next two months? You better buy new clothes, adopt a new personality, and change your likes and hobbies for the season.