A technical dictionary of printmaking, André Béguin.

1. Generally speaking and specifically in drawing, an image is any representation of an object. If so wished such a representation can be reproduced by an impression technique.
   A more precise definition of the term takes into account the fact that an image on a polished surface is usually reversed due to the fact that it is a reflection. [reverse].
2. lithographic images. It is a well known fact that lithographic crayons and ink contain lamp black to enable the artist to follow the drawing while it is made. The black pigment of the crayons and ink does not play a role in the impression. In fact, the drawn image disappears after the preparatory cleaning is carried out with a special washing solution. Despite the washing the grease contained in the ink and crayons remains solidly fixed to the stone or metal plate and, although barely visible, it is ready to be inked. The inking which is carried out with a roller makes the lithographic image reappear [lithography].
3. Photographic images. The "darkroom" or camera obscure was known long before Niepce undertook to fix, at least temporarily, the image seen in such rooms or boxes. The image produced in a camera obscura was inversed as compared to the original and appeared on the far wall, opposite the wall pierced by a hole which permitted the image to penetrate the box. Wedgwood had tried to preserve such images by putting the object in contact with light sensitive paper much in the same way as photograms are made today. In 1816 Niepce obtained the first negative image, which Daguerre managed to make into a positive image as of 1835. However, these images had a major defect which was that they disappeared when exposed to full sun light. As of 1837 Daguerre managed to make the images permanent. Later on, when photography developed new processes, the term latent images was used to describe those images created by exposing light sensitive surfaces which needed a developer before becoming visible. [photographic processes].
4. Phantom images or ahosts. When silkscreen has been improperly cleaned it will still show traces of the image or text it had carried before. Thus at times one finds traces of old images on the new ones and these are refered to as being phantom images or ghosts. [cleaning , serigraphy].
   The same term can also he used when speakinq of the superimposed images seen on lithoqraphic impresions. Such superimpositions occur when the previous image has not been completely removed from the lithographic stone.
   [pumicing , lithography].
5. Digital image. An image which is created and stored electronically. A digital image can be created by scanning drawings, photographs or slides and by using a mouse or graphics tablet to create an image with a graphics program. Digital capture cameras record an image in digital form which can be downloaded into a computer and used to create digital images.