The most powerful feature of Photoshop is the capability to work on different layers. This enables you to combine images, create collages, and make corrections without fear of damaging the original picture. Think of it as working on sheets of transparent plastic. Each layer is totally separate from the others. You can paint on a layer, change its opacity, or do whatever you want with it without disturbing the background or other parts of the picture on other layers. The Layer menu opens dialog boxes to create new layers. It also has many commands to merge and work with layers.

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The Author is Associate Professor and Head, Department of Textiles and Apparel Designing, College of Home Science, Maharana Pratap University of Agriculture and Technology, Udaipur (Raj.)