/wɜːld/ – noun
Definition: thế giới, giới, cõi đời, thế gian.
A more thorough explanation: In legal terms, the word “world” typically refers to the entirety of the Earth, including all of its land, water, and atmosphere, as well as the people and other living organisms that inhabit it. It can also refer to the international community or the global population as a whole.
Example: The company operates in various countries around the world.