pointer vs indicator

pointer and indicator both are nouns.

Word	Noun	Adjective	Verb	Adverb
pointer	Yes	No	No	No
indicator	Yes	No	No	No

As nouns, indicator is a hypernym of pointer; that is, indicator is a word with a broader meaning than pointer:

As nouns, indicator is a hypernym of pointer; that is, indicator is a word with a broader meaning than pointer:

pointer: (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions
indicator: a device for showing the operating condition of some system

pointer (noun)	indicator (noun)
a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points to game	a device for showing the operating condition of some system
an indicator as on a dial	a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
(computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving it allows the user to point to commands or screen positions	a signal for attracting attention
a mark to indicate a direction or relation	(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction