4 words in this vocabulary list
verb A word that expresses an action, occurrence, or state of being. In this case, 'classified' is the past tense of the verb 'classify', which means to categorize or arrange things according to a particular system.
adjective A word that describes or modifies a noun or pronoun. In this case, 'classified' is describing something that is kept secret or restricted.
noun activities carried out to prevent or thwart espionage
noun traffic - the movement of vehicles or people along roads, or the movement of ships, trains, or planes along routes
noun a body of people, typically influential members of government agencies or the military, believed to be involved in the secret manipulation or control of government policy