A more thorough explanation:

Definition: The world refers to:

1. The planet Earth, which has limited natural resources.
2. All the people who live on Earth, or the public in general. For example, "The world will benefit from this new medical breakthrough."
3. All individuals who have a claim or interest in a particular subject matter. For example, "A judgment in rem binds all the world."

The examples illustrate how the term "world" can refer to different things depending on the context. In the first example, "world" refers to the physical planet we live on. In the second example, "world" refers to all the people who live on the planet. And in the third example, "world" refers to all individuals who have a claim or interest in a particular subject matter.