Category: method of grouping together website posts using a relevant word or phrase.
Capabilities: WordPress users have different degrees of capabilities to edit or make changes to a website depending on their responsibilities to the site.
I.e. there are administrators who can edit and change most things on the site and authors who can edit posts they create but not the entire site.
CGI (Common Gateway Interface): allows information from web servers to reach web browsers and vice versa.
Character Entity: way of showing characters on a website could otherwise be read as code and cause errors on a web page.
I.e. & is the ampersand or & symbol
Character Set: characters such as letters collected together in a set to represent words. There are different character sets for different languages.
Chmod (Change Mode): command used in the Unix/Linux command shell program to change the permissions on files, which allows you to edit files as well as look at them.
Class: collection of CSS styling that is applied to HTML code to change how aspects of a web page look.
Codex: Articles compiled together that teach people how to use WordPress.
Collation: defines the order of character sets.
Comments: sections of blog posts where users can post comments.
Content: any written information, audio and/or video files, and images that are included on a website’s pages or posts.
Content Management System: Internet software that allows people to more easily manage the content of their website, from what people see on the site to the back end programming that runs it.
cPanel: a web tool that lets people configure and manage their own website accounts and databases.
CVS (Concurrent Versions System): was once used to organize the development of WordPress. Now WordPress development is organized by a program called Subversion.