The software lets you measure the time between the servers and the console. For example, if you areplaying a combat game, every single move you make is a message sent to the server to alert you if your move is a miss or on-target. Now it might look easy, but with high ping, this...
Frames Per Second (FPS) measures the number of images that your computer can project every second. If your computer can use higher FPS, it means that your screen will show more images per second. This lets you see smoother animations. Lower frame rates make your Minecraft gameplay look laggy...