"Take better photos instantly with our guide through the finer aspects of exposure.
There will be times when your digital camera won't be able to accurately capture the photo you want to take because of a tricky lighting situation. This might be something like a strong contrast between light and shadow areas within the scene.
This is where bracketing comes in handy."
Exposure can be a manual composition of a simple automatic reading from a point and shoot. But to understand the compensation of this function which will tell you if it's underexposed or overexposed.