ELI5: Explain Like I'm 5

British ensign

Okay kiddo, have you ever seen a flag? The British Ensign is a special flag that the United Kingdom uses to represent itself, just like how you might use a flag to represent your own family or school.

Now, the British Ensign comes in a few different forms, but they all have some things in common. They usually have a big red or blue background, with a white X-shaped cross in the middle. On top of that cross, there's usually a picture of something like a lion or a shield - this is called a "union" and it represents the union of different parts of the United Kingdom.

The British Ensign is especially important for ships - when a ship belongs to the UK, it will usually fly a British Ensign flag from the back of the ship. This allows other people to know where the ship is from, and it helps the ship stand out in a big crowd of boats.

So, there you have it - the British Ensign is a special flag that represents the United Kingdom, and it's especially important for ships.