Romance is all about hearts, flowers, and sappy mixtapes, right? Well, yeah. Today we use the word "romance" to refer to romantic love. But the term has quite a different meaning in literature. We'll give you a hint: there are swords involved.
As a genre, romance originated in medieval France. Romance is all about courtly love and chivalry. Want stories about questing knights jousting in the name of their lady-loves? This is your genre. It's all about honor, duty, and damsels in distress. Check out Thomas Malory's Le Morte d'Arthurfor a classic romance.
Of course anything involving such lofty ideals is bound to be cut down a peg or two by later authors. And indeed the genre of romance is ripe for parodying. Cervantes's Don Quixote makes fun the high falutin' heroism of knights, for example, by depicting a knight errant who tilts at windmills. (Hey, they could have been giants. He was just trying to be careful.). For a more recent parody, check out Monty Python's awesome Monty Python and the Holy Grail.