Curves is adjustment in Photoshop where you can adjust colors and tones in an image.
Curves-Auto,Curves are adjustments you can access from Image-Adjustments-Curves in Photoshop
You can adjust color from Image - Ajustment - Levels, or Curves for color cast see related link below.
What is colour channel in photoshop?
Levels in Photoshop are color and brightness correction.
Photoshop Color Suit
color layers is simply color layers
It is object (lines and curves) or shape you can drawn or use existing pre-defined vector shapes from Custom Shapes in Toolbox.
One can change the font or text color in Photoshop by first clicking the Text tool button. Then when the Text toolbar appears, click the color palette button and select the color wanted.
Yes.
Toning is adjusting the tint/shade of a color or an image. In Photoshop, this can be done many ways including "Hue/Saturation", "Curves", or even by creating a layer with a color and altering the opacity. This effect can create more dramatic imagery. It can also add "dating" to an image (like a sepia tone).
The features that come with the Photoshop CS3 are it's accuracy, it's new interface design, it's performance, the new curves, the new brightness and contrast, and/or it's black and white adjustments.
It is object (lines and curves) or shape you can drawn or use existing pre-defined vector shapes from Custom Shapes in Toolbox.