Here's how it can be used:
* Education: "Reading is a window to the world, allowing you to explore different cultures, perspectives, and ideas."
* Travel: "Traveling to different countries is a window to the world, exposing you to new customs, languages, and ways of life."
* Technology: "The internet is a window to the world, connecting people from all over the globe and providing access to a wealth of information."
Essentially, anything that expands your horizons and allows you to see things from a different point of view can be considered "a window to the world".