Also see imaging .
An image is a visual representation of something. In information technology, the term has several usages:
1) An image is a picture that has been created or copied and stored in electronic form. An image can be described in terms of vector graphics or raster graphics . An image stored in raster form is sometimes called a bitmap . An image map is a file containing information that associates different locations on a specified image with hypertext links.
2) An image is a section of random access memory ( RAM ) that has been copied to another memory or storage location.