torch vs electric lamp

torch and electric lamp both are nouns.

Word	Noun	Adjective	Verb	Adverb
torch	Yes	No	Yes	No
electric lamp	Yes	No	No	No

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

torch (noun)	electric lamp (noun)
a small portable battery-powered electric lamp	a lamp powered by electricity
a burner that mixes air and gas to produce a very hot flame
a light usually carried in the hand; consists of some flammable substance
tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches

torch (verb)	electric lamp (verb)
burn maliciously, as by arson