How does the internet's infrastructure deliver data globally?

The internet is like a super-fast mail system that sends messages all over the world, and it does this using cables, routers, and servers.

Imagine you have a toy train set. Each train car carries a little note from one person to another. The tracks are like the internet's cables, which go under oceans and through cities, connecting different places. When your note arrives at a station, a router, like a traffic cop for trains, decides where it should go next.

Some stations have big warehouses full of notes, these are called servers. They store lots of messages and send them out when needed. If you're watching a video online, that video is coming from one of those warehouses somewhere else in the world.

When your message travels from one place to another, it might go through many stations and tracks, but it always finds its way because every station knows where to send each note. That’s how the internet helps people talk and share things across the globe, like a giant toy train set that never stops moving!