DEFINITIONS

CMYK
ink is typically applied in the order of the abbreviation- cyan, magenta, yellow, and key (black. The CMYK model works by partially or entirely masking certain colors on the typically white background

CPC
is the amount of money an advertiser pays search engines and other Internet publishers for a single click on its advertisement that brings one visitor to its website.

CPM
It is important to remember that when someone says something like, "our CPM is $5," this means that the cost per impression is $0.005. where M is the roman numeral of 1000). When used in advertising it relates to the cost per thousand page impressions.

CREATIVE
(noun, in advertising), referring to materials, imagery, or collateral prescriptively produced through creativity and the creative process

CRYPTOGRAPHY
is the practice and study of hiding information. In modern times cryptography is considered a branch of both mathematics and computer science and is affiliated closely with information theory, computer security and engineering. Cryptography is used in applications present in technologically advanced societies; examples include the security of ATM cards, computer passwords and electronic commerce which all depend on cryptography.

CSS
is a style sheet language used to describe the presentation
CSS is designed primarily to enable the separation of document content (written in HTML or a similar markup language) from document presentation, including elements such as the colors, fonts, and layout

DEMOGRAPHICS
Marketers typically combine several variables to define a demographic profile. A demographic profile (often shortened to "a demographic") provides enough information about the typical member of this group to create a mental picture of this hypothetical aggregate. For example, a marketer might speak of the single, female, middle-class, age 18 to 24, college educated demographic.

DEVICE INDEPENDENT
A program or file is device independent when its function is universal on different types of device.
For the Web, this means writing simple common denominator HTML&CSS so that most Web browsers on most devices can render it.

DNS
gives the name for IP address

DPI
Dots per inch (DPI) is a measure of spatial printing or video dot density, in particular the number of individual dots that can be placed within the span of one linear inch (2.54 cm.) The DPI value tends to correlate with image resolution, but is related only indirectly.