| A | B |
|---|
| dithering | An image compression option wherein two colors are alternatively tiled so that the eye is fooled into seeing a new solid color based on the combination of pixels |
| file size | The size of the image file, or how long it will take to download from a web page. |
| image size | The actual physical size of an image in pixels or inches, or how much screen real estate it will use. |
| inline images | Images that are inserted into the text, so that the text flows around the image. Inline images can be aligned to the left or right within the text using CSS styling rules |
| optimizing | Maintaining the best quality images at the smallest possible file size |
| ppi (pixels per inch) | A unit of measurement referring to the number of pixels in an image viewable on a computer monitor. Standard web graphic ppi is 72. |
| raster | Graphics that are displayed on screens using a grid of tiny colored pixels. GIF, JPEG, and PNG support bitmap, or raster, graphics. They do not retain their image quality when resized |
| transparency | Blank areas of a graphic that remain invisible when the graphic is placed on top of others. Only GIF and PNG images can be saved with transparency. AOIT Web |
