Britain vs Highway Code

Britain and Highway Code both are nouns.

Word	Noun	Adjective	Verb	Adverb
Britain	Yes	No	No	No
Highway Code	Yes	No	No	No

Britain (noun)	Highway Code (noun)
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom	the code of rules governing the use of public roads