a stained glass window (stained glass windows...notice irregular plural in French)
le style roman
Romanesque style / style developped from 9th to 12th centuries, characterized by the half circle archway, thick stone walls and thick stone pillars + religious iconography
le style gothique
Gothic style / followed 'le style roman' / from 12th century to 16th century/ walls less thick, larger windows and doors, pointed arches