electronic image vs ikon

electronic image and ikon both are nouns.

Word	Noun	Adjective	Verb	Adverb
electronic image	Yes	No	No	No
ikon	Yes	No	No	No

As nouns, ikon is a hypernym of electronic image; that is, ikon is a word with a broader meaning than electronic image:

electronic image: an image represented as a two dimensional array of brightness values for pixels
ikon: a visual representation (of an object or scene or person or abstraction) produced on a surface

Other hypernyms of electronic image include icon, image, picture.

electronic image (noun)	ikon (noun)
an image represented as a two dimensional array of brightness values for pixels	a visual representation (of an object or scene or person or abstraction) produced on a surface
	a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church