Glossary

Constructed Image - an image created from portions of other images.

Digital Camera - a camera that takes digital pictures and usually stores them for future use on the computer.

Digital Image - a picture that can be seen and changed on the computer. 

Dodge Tool - lightens a region of the image.

Filter - a software function used to change a picture. For example, imaging software programs have built-in filters which sharpen, smooth, darken or lighten images.

Inverse Selection Command - Found under the Select menu, it selects everything outside the current selection.

Lasso Tool - allows you to select what you want freehand.

Layer - A section of an image that can be moved around without moving any other part of the image. A constructed image can consist of several different layers, each one acting as a transparency with a portion of the image. The layers are combined by stacking one on top of another to create the final image.

Magic Wand Tool -  a tool that selects all the area with the same color around the area previously selected.

Morph - to merge two images together.  According to Webster's Dictionary,  in Greek the word "morphe" means " form."

Paint Bucket Tool - changes similarly colored areas into the selected foreground color.

Plug-In Filter - a filter from another source usable in the current imaging program. Plug-in filters can be used to provide more image manipulation options.

Scanner - a device that converts a real picture or page into a digital copy on the computer.

Stamp Tool - a tool used for copying an area of a picture to another area, like a picture paint brush. First you have to alt-click on the area you want to copy, then left-click on the area where you want the copy to appear.  This allows you to paint one area onto another in the picture.

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