The document provides guidelines for using the definite article "the" with proper nouns. It lists contexts where "the" is used, such as with continents, regions, islands, lakes, mountains, oceans, rivers, canals, deserts, jungles, forests, bridges, universities, nationalities, languages, dates, decades, centuries, eras, museums and libraries. It also lists exceptions where "the" is not used, such as with countries, planets, streets, some islands, lakes and mountains, university names before "college" or "university", and language names.