foreign vs overseas

foreign and overseas both are adjectives.

Word	Noun	Adjective	Verb	Adverb
foreign	No	Yes	No	No
overseas	No	Yes	No	Yes

foreign (adjective)	overseas (adjective)
relating to or originating in or characteristic of another place or part of the world	in a foreign country
of concern to or concerning the affairs of other nations (other than your own)	being or passing over or across the sea
not belonging to that in which it is contained; introduced from an outside source
not contained in or deriving from the essential nature of something

foreign (adverb)	overseas (adverb)
	beyond or across the sea
	in a place across an ocean