korien_jan24“Then look through the window on the oven door to see if it’s done.”

“How can you tell if it’s done?”

“I have lived with dogs my whole life, so I can tell how they feel from their body language.”

“Tell” usually means to give information by speaking, but it can also mean to understand something from visual or other clues. For example, you can tell it’s raining when you hear raindrops on the roof. You can tell the cookies are done baking when they turn a golden brown color.