Raymond Williams reconceptualises “keywords” not as lexically stable units secured by dictionary authority, but as contested semantic sites in which historical struggles, social transformations and cultural hierarchies are sedimented. His argument begins from an apparently ordinary experience: the perception that different groups “do not speak the same language”, despite inhabiting a shared linguistic system; such estrangement discloses that terms such as culture, class, art, industry and democracy do not merely denote social realities, but organise divergent structures of valuation and belonging. Language, therefore, is not a passive reflection of society, but an active medium through which relations, affiliations and conflicts are produced. Williams’s central contribution lies in demonstrating that meaning is both historical, because it is reshaped by changing institutions, conjunctures and political pressures, and relational, because each word derives force from wider semantic constellations rather than from isolated definition. The case of “culture” crystallises this method: once associated with refinement or artistic production, it increasingly came to signify an entire way of life, thereby unsettling inherited divisions between aesthetic judgement, social experience and intellectual authority. Consequently, the study of vocabulary cannot resolve social antagonisms in itself, yet it can sharpen critical consciousness regarding the very terms through which those antagonisms become intelligible, disputable and transformable.