Sharpening is not a type of adjustment layer, but rather a specific tool or filter used to enhance the sharpness of an image.

A histogram is a graphical representation of the distribution of tones in an image, showing the number of pixels at each brightness level.

Vignette is not a type of filter, but rather a specific effect that can be applied to an image to darken the edges and draw attention to the center.

A mask is a tool used to select a specific area of an image for editing, allowing you to apply adjustments or effects to that area without affecting the rest of the image.

Perspective Correction is not a common transformation tool found in post-processing software. It is a specialized tool used to correct the perspective of an image, such as when an object appears to be tilted or distorted.

Layers are used to organize different elements of an image, such as different objects, text, or effects, allowing you to work on each element separately and make adjustments without affecting the other elements.

Exposure is not a color correction tool, but rather a tool used to adjust the overall brightness of an image.

The brush tool is used to apply adjustments or effects to a specific area of an image, allowing you to make precise changes to the image without affecting the rest of the image.

PSD is not a common file format used for saving images, but rather a proprietary file format used by Adobe Photoshop.

The gradient tool is used to create a smooth transition between two colors, allowing you to create effects such as vignettes or color overlays.

Sharpening is not an adjustment tool, but rather a specific tool or filter used to enhance the sharpness of an image.

The clone stamp tool is used to remove unwanted objects from an image by copying pixels from another area of the image and pasting them over the unwanted object.

Vignette is not a type of filter, but rather a specific effect that can be applied to an image to darken the edges and draw attention to the center.

The healing brush tool is used to remove unwanted objects from an image by replacing them with pixels from the surrounding area, blending the repaired area seamlessly into the rest of the image.

Perspective Correction is not a common transformation tool found in post-processing software. It is a specialized tool used to correct the perspective of an image, such as when an object appears to be tilted or distorted.