Formalism was a school of literary criticism that originated in Russia in the early 20th century. It focused on analyzing the form and structure of literary texts rather than their context or themes. Key concepts of formalism include defamiliarization, where literary texts make familiar things strange through unique forms; fabula versus syuzhet, distinguishing the chronological story from its presentation; and literariness, what makes a text literary through defamiliarizing language. Formalism was later developed by French structuralism and influenced theories in English and America.