ELI5: Explain Like I'm 5

Giant component

A giant component is like a big group of connected dots on a piece of paper that are all connected together. They could be drawn in different shapes, like a triangle or a square, but all the dots are connected to each other and make a bigger shape or picture. You can think of it like pieces of a jigsaw puzzle that are all connected together to make a bigger picture. It is a way of looking at how different things or people can all be connected together.