A scholarly survey of Renaissance literary theory and practice that traces how the humanist recovery of classical models shaped Latin, Greek, and vernacular writing across Europe. The study distinguishes rhetorical and poetic aims, explores imitation and Ciceronian prose influence, and examines developments in lyric, pastoral, romance, drama, prose narrative, history, and essay. It analyzes sixteenth-century poetics and prominent theorists, showing how theoretical principles guided composition and how misapplied rhetoric could distort poetic and dramatic practice. The method relies on direct engagement with original sources and translations, using representative samples to connect critical debate with evolving literary forms.