A pentagram is a shape that has five points. It kind of looks like a star, but all of the points are the same distance apart. Imagine drawing a circle and then connecting the points that are equally spaced around the circle with lines.
People have used pentagrams for a long time, and they have different meanings in different cultures. Some people think of it as a symbol of magic or of the devil. But it can also be used as a symbol of protection or good luck.
One way people use a pentagram is in Wicca, which is a religion that is based on nature. In Wicca, a pentagram is a symbol of the five elements of earth, air, fire, water, and spirit. These represent different things like strength, wisdom, passion, emotion, and spirituality.
Overall, a pentagram is just a shape with five points that can have different meanings depending on who is using it and for what purpose.