6.1. Managing Layers6.1.1. A Quick Overview of the Layers Dialog6.1.2. Adding, Duplicating, and Removing Layers6.1.2.1. Creating a New Layer6.1.2.2. Duplicating an Existing Layer6.1.2.3. Deleting Layers6.1.3. Arranging Layers in the Stack6.1.4. Grouping and Merging Layers6.1.4.1. Merging Layers6.1.4.2. Grouping Layers6.2. Manipulating Layers6.2.1. Resizing Layers6.2.1.1. Modifying the Layer Boundary Size6.2.1.2. Scaling Layers6.2.1.3. Offsetting the Content of a Layer6.2.2. Aligning Layers6.2.3. Working with Layer Transparency6.2.3.1. Additional Layer Transparency Features6.2.3.2. Using Layer Transparency for Selections6.3. Blending Modes6.4. Using Layer Masks6.4.1. Defining Layer Masks6.4.2. Modifying Layer Masks6.4.3. Effectively Using Features in the Select Menu6.5. Summary