Global
Part of speech: noun
Definition: A globally scoped identifier.
Part of speech: adjective
Definition: spherical, ball-shaped of or relating to a globe or sphere concerning all parts of the world of a variable, accessible by all parts of a program
Example sentence: The most important thing about global warming is this. Whether humans are responsible for the bulk of climate change is going to be left to the scientists, but it's all of our responsibility to leave this planet in better shape for the future generations than we found it.
World-wide
Part of speech: adjective
Definition: Spanning the world; global.