1.
Adjustment Layer: Like layers work in the same way in that you can see through them but they don't change anything actually below them. So you can apply an adjustment (such as hue/saturation changes) on a transparency/layer and it will become an adjustment layer.
2.
Burn: darkens an area of an image
3.
Clone: Using this tool, you can copy a portion of an image and reapply it repeatedly to cover an unwanted portion of the image.
4.
Color Picker: allows you to select a very specific shade, either by visually choosing it or by defining the color numerically.
5.
Crop: Used to crop down an image. Trim away portions of a photo that you may not particularly like and focus on the section of the image that you want to highlight.
6.
Curves: affects light's two primary influences: tones and contrast.
7.
Dodge: lightens an area of an image.
8.
Fill: transforms one shape/layer into a single color
9.
Filter: styles; such as: color pencil, black and white, pixel, [etc]
10.
Foreground Color: used when you paint, fill, or stroke selections; the background color is used to make gradients and fill in the erased areas of an image.
11.
Free transform: lets you apply transformations (move, rotate, scale, skew, distort, perspective and wrap) in one continuous operation.
12.
Grayscale Mode: turns a picture black and white
13.
Healing Brush: Acne, Scars, Bruises, Torture marks, Burn marks, stab wounds, etc can all be easily fixed using this tool.
14.
Inverse: selecting everything but the inside of the mask
15.
Lasso: This tools give you much more control of what you are able to select than the other marquee tools.
16.
Layer: simply one image stacked on top of another.
17.
Magic Wand: This tool allows you to select an area of an image based on its colour.
18.
Marquee: This tool creates geometric, selection shapes like squares, rectangles, and circles. Which are used to highlightand to edit a certain selected area of the picture.
19.
Mask: covers image
20.
Palette: window in photoshop
21.
Red-eye: Used to get rid of "the red eye" flaws in a picture
22.
RGB Mode: The _______ mode is used for on-screen artwork such as for websites or videos. It uses the colors Red Green and Blue. When printing, you should use the CMYK Color Mode instead.
23.
Selection: editing of the desired portion of an image.
24.
Warp: Uses grid cells with handles where you can 'warp' the image to your liking.
