5 words in this vocabulary list
verb to secretly enter or gain access to a place or organization in order to gather information or cause damage
noun a group or set of three people or things
adjective relating to or consisting of three
noun A cog is a toothed wheel or bar that engages with another toothed part to transmit motion in a machine.
preposition In this phrase, 'in' is a preposition that shows the relationship between 'cog' and 'machine'.
article The articles 'a' and 'the' are used before 'cog' and 'machine' to indicate that they are singular nouns.
noun a line of authority within an organization through which instructions are passed down and feedback is passed back up
noun the state or position of being a follower, or the capacity or willingness to follow a leader