selector vs electric switch

selector and electric switch both are nouns.

Word	Noun	Adjective	Verb	Adverb
selector	Yes	No	No	No
electric switch	Yes	No	No	No

As nouns, electric switch is a hypernym of selector; that is, electric switch is a word with a broader meaning than selector:

selector: a switch that is used to select among alternatives
electric switch: control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit

Other hypernyms of selector include electrical switch, switch.

selector (noun)	electric switch (noun)
a switch that is used to select among alternatives	control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
a person who chooses or selects out