" Floppy disks which have been manufactured for high capacity.
High-density 5-1/4'' disks hold 1.2 megabytes;
3-1/2'' floppy disks hold 1.4 megabytes.
High Key: An image that mainly consists of highlights and midtones.
High Resolution: (sometimes called "hi-res") An image that is displayed in better quality by increasing the number of dots per inch (or pixels per inch) than normal.
Can refer to high quality computer displays or printer output.
Highlight: The lightest or whitest part in a photograph represented in a halftone reproduction by the smallest dot or absence of dots in the highlight.
The highlight should have no color cast. HSB (Hue Saturation Brightness):
In graphic arts, an abbreviation for all of a color's characteristics: hue (the pigment), saturation (the amount of pigment), and brightness (the amount of white included).
With the HSB model, all colors can be defined by expressing their
levels of hue, saturation and brightness in percentages. "
"The concentration of housing units in a specific area or on a specific property."