When a new brush, swatch, or a gradient is created, it displays in the preset Manager and is automatically saved as part of the current preset file.  

What drawing modes are available in Photoshop?

.... control how pixels on different layers interact with each other?

Which adjustment layer has the auto correction option to enhance an image?

..... appears when you check the Tint checkbox, as shown in the image above, in the Adjustments panel>> Black & White layer.

.... channels are basically grayscale representations of saved selections.

ppi stand for?

Once you build the layers in your graphic design, you cannot rearrange them.

What is CS short for?

One way to delete items from your history is to drag them into the trash can.

Way to fix problems with your tool settings?