Billet d'amour is French for a "love note" or "love letter." There are many synonyms for this romantic message, ranging from poetic to more casual variations. Some examples include "love missive," "declaration of love," "romantic letter," "passionate note," "affectionate message," and "heartfelt memo." More informal synonyms include "love text," "sweet text message," and "love email." Regardless of the term used, the sentiment behind these expressions remains the same-a desire to communicate love and affection to someone special. Whether written in traditional format or through modern technological means, a billet d'amour will always be a cherished token of affection.