What language is this passage talking about?
Malay
Which family speaks it?
Austronesian family
Where is it spoken?
Brunei, Indonesia, Malaysia and Singapore.
Does the standard Malay have several official names/
yes
What is it called in Malaysia?
Bahasa Malaysia
In Singapore?
Bahasa Melayu
How about Indonesia?
Bahasa Indonesia
How many people speak it?
290 million
And where is it a native language?
people across the Strait of Malacca
What's the other name for Standard Malay?
Court Malay
Is it also used as a trading language?
yes
Why is this language sometimes called Malacca, Johor or Riau Malay?
to distinguish it from the various other Malayan languages