Imagine you have a bunch of things that are all connected to each other in some way. Now, let's say you want to see these connections more clearly. You can do that by making a cluster graph.
A cluster graph is a special kind of graph that shows the connections between things. It looks like a bunch of circles, called nodes, and lines, called edges, connecting these circles. Each circle represents a thing, and the lines show how the things are connected to each other.
Now, let's imagine you have toys and you want to make a cluster graph to see which toys are friends with each other. You can draw a big circle in the middle and write the name of one toy inside it. Then, draw circles around this big circle for each toy that is friends with the first toy. Draw lines from the big circle to these smaller circles to show the connections between them.
If there is another toy that is not friends with the first toy but is friends with one of the toys that is friends with the first toy, you can draw another circle for this toy and connect it to the first toy's circle.
By making this cluster graph, you can see which toys are friends with each other and how they are connected. It helps you understand the relationships between the toys.
Cluster graphs can also be used for other things. For example, you can use a cluster graph to show which animals live together in a forest. Each animal would have its own circle, and the lines would show which animals are neighbors.
So, a cluster graph is like a special kind of drawing that helps you see connections between things. It can be used for toys, animals, or anything else that you want to understand how they are connected to each other.