That would be false. Take us for instance. We speak English but we don't always know what the other is saying.
Answer:
stated clearly and in detail, leaving no room for confusion or doubt.
Explanation:
It does not have content aimed at all the public
1) A
2) D - Not sure 100%
3) - Don't know the song
4) D - Both a and b
Connecting the local learning settings with the global resources of information and knowlage
Goal is to aim for something high