(p.162) A ________ lets you isolate and protect parts of an image.

(p.162) The temporary masks you can make in Photoshop are called ________ masks.

(p.162) Permanent masks which are stored as special grayscale channels are called ________ channels.

(p.162) Photoshop uses ________ to store an image's color information.

(p.162) Unlike layers, channels do not print.

(p.162) A key concept in masking is that black hides and white ________.

(p.162) In masking, shades of ________ partially hide, depending on the levels.

(p.170) When using a painting or editing tool in Quick Mask mode, painting with black adds to the mask (the red overlay) and ________ the selected area.

(p.170) Photoshop discards a temporary mask once it is converted to a ________.

(p.172) ________ channels store selections as grayscale images..

(p.172) To avoid confusing channels and layers, think of ________ as containing an image's color and selection information.

(p.172) To avoid confusing channels and layers, think of ________ as containing an image's painting and effects.

(p.174) All channels are 8-bit grayscale images, capable of displaying ________ levels of gray.

(p.178) What all masks have in common is that they all store ________.

(p.178) Another thing masks have in common is that they all let you edit an image ________, so you can return at any time to your original.

(p.178) A(n) ________ — also called a mask or selection — is an extra channel added to an image that stores selections as grayscale images.

(p.178) A(n) ________ is like an alpha channel, but it's attached to a specific layer, letting you control which part of a layer is revealed or hidden.

(p.178) A ________ is essentially a layer mask made up of vectors, not pixels.

(p.178) A(n) ________ applies to a layer, letting you confine the influence of an effect to specific layers rather than to everything below the layer in the layer stack.

(p.178) A(n) ________ restricts editing to a specific channel.