Difference between global and worldly

[bi]

Test No. incompl/advan-76 "Internet Business", question 5

Whereas ten years ago we only dealt with customers in this country nowadays we are truly ......... with branches all over the world.

(a) wordly
(b) mondial
(c) globular
(d) global

Test No. incompl/advan-76 "Internet Business", answer 5

Whereas ten years ago we only dealt with customers in this country nowadays we are truly global with branches all over the world.

Correct answer: (d) global
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why is the correct answer global ? why can?t i use wordly if both express the same

[Alan]

This adjective means experienced in the ways of the world/how people behave in society.
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English as a Second Language
You can read my ESL story Sea Expressions