content word; operative word(Anglophile); operative phrase(Sipping on very cold, carbonated beverages may help better than plain water or warm tea. Sipping is the operative phrase here; no matter how thirsty you feel, you're more likely to tolerate small sips spaced apart by a few minutes than larger gulps of liquid. 4uzhoj); key-word; master noun(это не лингвистический термин, а содержательный: sovereignty is a master noun of international relations Ivan Pisarev)
keyword(A characteristic word, phrase, or code that is used to conduct sorting or searching operations; Any of the set of words that comprises a given programming language or set of operating-system routines; In Visual SourceSafe, a version marker that you can place in a text file for later use in keyword expansion)
descriptor(в системах информационного поиска — слово, используемое для поиска записи в файле); keyword(в системах информационного поиска — слово, используемое для поиска записи в файле)
