API or Application Programming Interface – An interface that allows one software application to interact with another, such as the Facebook API.

AMA or Ask Me Anything – Originated in a Reddit forum where users would use the term AMA to prompt questions from other users.

Avatar – An image or character used to represent a person online, used in forums, games and social networks.

Blog – A regularly updated website or web page, typically one run by an individual or small group, that is written in an informal or conversational style.

Bookmarking –  Saving a website address using one of various third-party bookmarking services available, or right within your browser.

CMYK or Cyan, Magenta, Yellow, Key – A color model that is used for print purposes. CMYK is a subtractive color, meaning it begins with white and ends with black. As more color is added, the result gets darker.

Chat – Any kind of communication over the internet traditionally through a text-based script or application; also commonly referred to as instant messaging or IM.

Clickbait – Social media posts or advertising material with sensationalized headlines to attract clicks, relevant or not to the content itself.

GIF or Graphics Interchange Format – A lossless format for image files that supports both animated and static images.

Gradient – A gradual change of color from one tone to another. Two common gradient types are the linear gradient, where each color sits on opposite sides, and radial gradient, where one color sits in the middle, and the other on the outer edge.

Hamburger Menu – A symbol consisting of three parallel horizontal lines that is used as a button in graphical user interfaces. It is often displayed in the top left or top right of a website or mobile app.

IG or Instagram – An online mobile photo-sharing, video-sharing, and social networking service that enables its users to take pictures and videos, and share them either publicly or privately on the app, as well as through a variety of other social networking platforms, such as Facebook, Twitter, Tumblr, and Flickr.

JPG or JPEG or Joint Photographic Experts Group – A file extension for a lossy graphics file. The JPEG file extension is used interchangeably with JPG. JPEG stands for Joint Photographic Experts Group who created the standard.

Kerning – The adjustment of space between two characters in a font type.

Monochrome – A color scheme built out of only one color, including lighter and darker tones of that color.

MTA or Mail Transport Agent –  A mail server, a mail router or an Internet mailer, is an application that receives incoming e-mail from local users (people within the same domain) and remote senders and forwards outgoing e-mail for delivery.

Opacity – The degree of transparency an element has. The lower the opacity, the more transparent the element becomes.

Palette – A selection of colors used in a specific design.

Pantone – A standardized system of colors used in printing. Every Pantone shade is numbered, making it easy to reference and identify exact shades of color.

PNG or Portable Network Graphics – A raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most used lossless image compression format on the Internet.

Pull Quote – A short quote or excerpt pulled from the main text and used as a visual element to help highlight important ideas and draw interest to the piece. Pull quotes are very common in magazine design.

Resolution – The amount of detail an image has. The higher the resolution, the clearer the image. The lower the resolution, the more blurry it becomes.

RGB or Red, Green, Blue – A color model that is used for on-screen purposes. RGB is an additive color, meaning that when mixing colors, we start with black and end up with white as more color is added.

Sans Serif Typeface – A typeface without the small decorative serif strokes. Sans serifs tend to look more modern, stylish, and cleaner than their serif counterparts.

Script Typeface – A typeface that mimics cursive handwriting. Script typefaces tend to look elegant, personal, and/or more casual, depending on how embellished they are.

Serif Typeface – A typeface with small decorative strokes (called ‘serifs’) found at the end of horizontal and vertical lines. Serif typefaces tend to look professional, authoritative, and traditional in appearance.

SEO or Search Engine Optimization – A methodology of strategies, techniques and tactics used to increase the amount of visitors to a website by obtaining a high-ranking placement in the search results page of a search engine (SERP) — including Google, Bing and Yahoo! to name a few.

Slab Serif Typeface – A typeface with thicker, blockier serifs, very commonly used in headlines and titles, but rarely in body copy. Slab serifs tend to look sturdier, stronger, and bolder.

Social Media – Websites and applications that enable users to create and share content or to participate in social networking.

Typography – The artistic arrangement of a font type in a visually appealing way.

Web 2.0 – The second stage of development of the World Wide Web, characterized especially by the change from static web pages to dynamic or user-generated content and the growth of social media.

Web Server – An information technology that processes requests via HTTP, the basic network protocol used to distribute information on the World Wide Web. The term can refer either to the entire computer system, an appliance, or specifically to the software that accepts and supervises the HTTP requests.

Web Service – Any piece of software that makes itself available over the internet and uses a standardized XML messaging system. XML is used to encode all communications to a web service. For example, a client invokes a web service by sending an XML message, then waits for a corresponding XML response.

Webinar – A seminar conducted over the Internet.