Accessible pointed graph

Well, imagine you have a bunch of dots on a piece of paper. These dots are called nodes. Now, you can draw lines between these dots to show how they are connected. These lines are called edges.

Now, imagine you have a dot that is connected to a lot of other dots by edges. This dot is called a pointed node. And if you can get from one pointed node to any other pointed node by following the edges, then you have an accessible pointed graph.

Think of it like a bunch of dots that are all connected like a spiderweb. You can start at one dot and go to any other dot by following the lines. And it's accessible because there's always a way to get from one pointed node to another.