| A | B |
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| Adjustment Layers | a Non-destructive layers that can be added to allow you to apply image tonal and color adjustments. |
| Aspect Ratio | a relationship of an object’s width to its height. |
| Blend Modes | change the way layers interact by determining how a layer will blend with the layers below it. |
| Clone Stamp | samples and area of an image and then allows you to paint over another area of the image with the sampled area. |
| CMYK | cyan, magenta, yellow, and black assigns a percentage value for each of the process inks. If all of the percentages are set to 0, the result will be white. An image should be converted to CMYK color mode before exporting when images are being prepared for print. |
| Color depth | refers to the number of colors per pixel that can be displayed in an image and affects image quality and file size. |
| Compression | refers to the mathematical algorithm used when an image is saved in order to reduce the file size. |
| Cropping | removing a part of an image. |
| DPI | dots per inch) - the number of dots of ink or toner per inch on a printed image. |
| Fill | putting a color, gradient, pattern, or texture into an object or area. |
| Filters | used to apply special effects or unique transformation to an image. |
| GIF | Graphics Interchange Format |
| Graphics | anything on a page that is not actual text, from simple line drawings to fully active images found on the World Wide Web. The two major categories of graphic images are raster and vector. |
| Inches | the standard unit of measurement for US standard size papers that can work well for print. A “Letter” size piece of paper measures 8.5” x 11”, which is the most common size used in printers, for resumes, and other common desktop publishing documents. |
| JPEG | Joint Photographic Experts Group |
| Layering | compiling multiple pictures or objects together into one image |
| Layer Masks | A non-destructive method which allows you to apply transparency to a specific portion of a layer with precise control. |
| Layer Styles | One or more effects applied to a layer or layer group. Effects include shadows, stroke, glows, bevels, and overlays. |
| Lossless | One or more effects applied to a layer or layer group. Effects include shadows, stroke, glows, bevels, and overlays. |
| Lossless | no data is lost during compression. |
| Native file formats | editable file formats that are proprietary to a specific program that generally lacks portability and is not meant to be used with other software. |
| Onscreen resolution | monitors can display an image at a resolution of 72 ppi. Additional resolution beyond 72 ppi will increase file size without a noticeable increase in image quality. |
| PDF | Portable Document Format |
| Picas | a unit of measurement for lines of type with one pica equal to 1/6 of an inch. Therefore, there are six picas in one inch. Picas are often used in print design, as they are more easily divisible than inches, such as with the Rule of Thirds |
| Pixels | the most common unit of measurement used for computer screen display. A pixel generally represents one dot that is illuminated on a computer screen, many of which make up images. Pixels represent a precise measurement system for web-design, but can lack flexibility as screen size changes. |
| PNG | Portable Network Graphic |
| Points | the standard unit of measure for typefaces, with 1 point representing 1/72 of an inch, therefore text formatted in 72 point font should be approximately one inch with variation due to font designs. 12 point font is generally accepted as the standard font size for paragraph text in print. |
| Portability | ease at which files are opened, modified, and viewed on computers using different operating systems, software and browsers. |
| PPI | pixels per inch) - The number of pixels in one inch. More pixels per inch means better image quality but larger file size. |
| Print resolution | documents that are being sent for print should be 300 PPI to ensure image quality |
| PSD | Photoshop Document |
| Raster graphics | also called bitmaps, are images composed of grids of pixels that have a fixed resolution (number of pixels per inch) and cannot be resized without losing image quality. Raster graphics are edited in paint programs. |
| Resolution | the amount of detail stored for an image. The higher the resolution, the higher the level of detail in the image. |
| RGB | )(red, green, blue) – assigns an intensity value to each pixel that ranges from 0 to 255 for each of the red, green, and blue components in an image. If all of the RGB values are 0 the result will be black. If all of the RGB colors are 255 the result will be white. RGB color is best used for on screen display. |
| Rotating | pivoting an object around its center point. |
| Scaling | enlarging or shrinking a graphic. |
| Selections | identifying a specific area of a layer or image that allows you to move or apply techniques to only that specific area on that specific layer. |
| Standard file formats | file formats that can be used with a variety of software programs. Standard file formats are usually created by using the “Save As” command or through exporting. Standard file formats include, but are not limited to: .gif, .jpg, .png, and .tif. |
| TIFF | Tagged Image File Format |
| Transforming | changing a graphics size or dimensions through commands such as scaling and rotating |
| Transparency | the background of an image is “see-through” so that the graphic can blend |
| Transparency | )- removing the background color of a raster image making it “see-through” in order to allow the image to blend in with its background. |
