How to explain this sentence in English?

[Leon]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #128 "Culinary delights", question 10

One of the most beautiful things about Jakarta is its ......... wealth from both within the archipelago and around the world.

(a) cursory
(b) cautionary
(c) coronary
(d) culinary

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #128 "Culinary delights", answer 10

One of the most beautiful things about Jakarta is its culinary wealth from both within the archipelago and around the world.

Correct answer: (d) culinary
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How to explain this sentence in English?

Leon

[Yankee]

Hi Leon

The sentence refers to the fact that the cuisine that can be found in Jakarta is extremely varied. There are not only local dishes, but also specialty dishes from around the world. The word wealth is used in the sense of abundance or wide variety.

Amy