Meaning of 'Around the world' (round the world)

[Konakis]

English Language Tests, Intermediate level

ESL/EFL Test #3 "If you tend to forget", question 2

This is a very expensive holiday intended for those with plenty of money as it involves a trip ......... the world.

(a) through
(b) along
(c) about
(d) around

English Language Tests, Intermediate level

ESL/EFL Test #3 "If you tend to forget", answer 2

This is a very expensive holiday intended for those with plenty of money as it involves a trip around the world.

Correct answer: (d) around
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what does "around the world'" mean?

Konakis

[Alan]

Hi,

Around the world (or round the world) means visiting every place in the world - go east or go west and keep going until you come back to where you started.

Alan
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English as a Second Language
You can read my ESL story Too Many Words

[Insomnia_f]

little off topic: why it is "as it involves " instead of "as it includes" ? the word "involve" has different meaning and I don't see relation with the meaning of the sentence.

[Robmars]

involve meaning include.

So the word involved is used to identify that the money is needed for the trip around the world.

I hope this will help.