What is the language "British"?

[Bob Goodwin]

Timothy Murphy wrote:
> I was installing FC-5 yesterday,
> and I noticed that when asked to choose my language,
> I was given an extensive list which included "British" but not "English".
>
> I never heard this language described as "British" before.
>
>   
To the ignorant masses, myself included, British and English are synonymous.

Perhaps you can clarify it?

Bob Goodwin