localisation vs Australian spelling

localisation and Australian spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
localisation	Yes	No	No	No
Australian spelling	Yes	No	No	No

localisation (noun)	Australian spelling (noun)
a determination of the place where something is	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')
(physiology) the principle that specific functions have relatively circumscribed locations in some particular part or organ of the body