What is color correction or masking? How does masking help in color correction in images? How color correction or masking is done in images?

Color correction or masking is done for correcting colors and adjusting tone in images for inaccurate color, color casts, overexposure, underexposure, and more. With correction masks we select different objects and/or areas in an image to be processed. With the pen tool in Photoshop we separate differently colored areas from other areas and/or the background. For your benefit your images are instantly ready for color adjustments.