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2.10 Key Terms
Measurement, Resolution, and Color Mode Terms and Definitions
| Term | Definition |
|---|---|
| Inches | The standard unit of measurement for the United States and U.S. standard sized papers. |
| Pixels | The most common unit of measurement for computer screen display. Generally represented by one dot that is illuminated on a computer |
| Points | The standard unit of measurement for typefaces. |
| Picas | Often used in print design, since it is easily divisible. |
| Em Space | refers to the size of the capital letter 'M' for the current font. |
| Percentage | Defining sub elements of a web page as a percentage to the width of the entire web page. Allows for responsive layouts as screen sizes change. |
| Resolution | The measure of the amount of detain that is stored in a digital image. |
| PPI | Pixels per inch (the number of pixels contained in one inch). What resolution is measured in. |
| On-screen Resolution | The degree of the sharpness of a displayed image on the computer screen. |
| Print Resolution | the degree of sharpness of a displayed or printed image. |
| DPI | (dots per inch) measures the resolution at which printers can print. |
| RGB | Assigns an intensity value to each pixel; ranging from 0 to 255 for each of the red, green, and blue components in an image,. Represents on-screen display. |
| CMYK | Assigns a percentage value for each of the process links; cyan, magenta, yellow, and black. an image should be converted to this before printing. |
| Blend Modes | Changes the way layers interact by determining how a layer will blend with the layers below it. |
| Clone Stamp | Samples an area of an image and then allows you to paint over the area of the image with the sampled area |
| Filters | Used to apply special effects to an image that would be too difficult to create manually. |
| Adjustment layers | Non-destructive layers that can be added to allow you to apply image tonal an color adjustments. |
| Gradient | Filling an object with a smooth transition from one color to another |
| Fill | Putting a color, gradient, pattern, or texture, into an object or area. |
| Transparency | Removing the background color of a raster image making it "see-through" in order to allow the image to blend into its' background. |
| Layer Marks | 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 |
| Transforming | Changing a graphics size or dimensions through commands such as scaling and rotating |
| 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. |
| Layering | Compiling multiple pictures or objects together into one image. |
| Cropping | Cutting out part of an image. |
| Aspect Ratio | The relationship of an object's width to its height. |
Created by:
BenBT
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