microdot vs pic

microdot and pic both are nouns.

Word	Noun	Adjective	Verb	Adverb
microdot	Yes	No	No	No
pic	Yes	No	No	No

As nouns, pic is a hypernym of microdot; that is, pic is a word with a broader meaning than microdot:

microdot: photograph reduced to the size of a dot (usually for purposes of security)
pic: a representation of a person or scene in the form of a print or transparent slide or in digital format

Other hypernyms of microdot include exposure, photo, photograph, picture.

microdot (noun)	pic (noun)
photograph reduced to the size of a dot (usually for purposes of security)	a representation of a person or scene in the form of a print or transparent slide or in digital format
	a form of entertainment that enacts a story by sound and a sequence of images giving the illusion of continuous movement