Cropping an image is the act of cutting away and discarding the uneccesary portions of the picture. Most photo editing applications include a crop tool for this purpose. (Continued below...)
Using the crop tool involves these steps: selecting the area to keep, refining the selection, and finalizing the crop action by whatever method your software calls for. Once the crop is finalized, the area outside the crop selection is permanently discarded. When cropping a photo, you can create a more pleasing composition by employing the "rule of thirds."

This example shows how an image is cropped with Adobe Photoshop.
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Also Known As: cropping, trimming, trim
Related Resources:
Prepare your Photos for the Web
Step by step instructions for cropping, rotating and resizing images for several graphics programs.How to Crop Your Photos for Scrapbooking
Learn what to cut off, what to keep and what never to crop. From Scrapbooking Guide Rebecca Ludens.
Elsewhere on the Web:
Precision Cropping in Paint Shop Pro
Tips to help you get it right every time.
Photo: Copyright © Adobe Systems, Inc.
