device vs tactical manoeuvre

device and tactical manoeuvre both are nouns.

Word	Noun	Adjective	Verb	Adverb
device	Yes	No	No	No
tactical manoeuvre	Yes	No	No	No

As nouns, tactical manoeuvre is a hypernym of device; that is, tactical manoeuvre is a word with a broader meaning than device:

Other hypernyms of device include maneuver, manoeuvre, tactical maneuver.

device (noun)	tactical manoeuvre (noun)
any clever maneuver	a move made to gain a tactical end
an instrumentality invented for a particular purpose
an emblematic design (especially in heraldry)
any ornamental pattern or design (as in embroidery)
something in an artistic work designed to achieve a particular effect