dot vs telegraphic signal

dot and telegraphic signal both are nouns.

Word	Noun	Adjective	Verb	Adverb
dot	Yes	No	Yes	No
telegraphic signal	Yes	No	No	No

As nouns, telegraphic signal is a hypernym of dot; that is, telegraphic signal is a word with a broader meaning than dot:

Other hypernyms of dot include radiotelegraphic signal.

dot (noun)	telegraphic signal (noun)
street name for lysergic acid diethylamide	a signal transmitted by telegraphy
the shorter of the two telegraphic signals used in Morse code
a very small circular shape

dot (verb)	telegraphic signal (verb)
mark with a dot
make a dot or dots
distribute loosely
scatter or intersperse like dots or studs