store vs information processing system

store and information processing system both are nouns.

Word	Noun	Adjective	Verb	Adverb
store	Yes	No	Yes	No
information processing system	Yes	No	No	No

store (noun)	information processing system (noun)
a mercantile establishment for the retail sale of goods or services	a machine for performing calculations automatically
a depository for goods
an electronic memory device
a supply of something available for future use

store (verb)	information processing system (verb)
keep or lay aside for future use
find a place for and put away for storage