Practical effect

A practical effect is when something happens or changes in the real world that you can physically see or experience. Think of it like this - if you put a ball on the ground, the practical effect is that you can see the ball and touch it. This means that the ball's presence has a practical effect on the environment around it.

Another example is when you turn on a light switch. The practical effect is that the room becomes brighter and you can see better. The light bulb is physically changing the environment, which is the practical effect.

Overall, a practical effect is when something actually happens and has a noticeable impact on the world around us. It can be something big or small, but the key is that it's something that we can see, feel, or experience in our daily lives.