A graph legend is commonly used when plotting several sets of data within the same diagram. The legend associates each plot with its corresponding data.

OpenID Connect (OIDC) is a REST-friendly protocol for the (possibly cross-domain) exchange of user identity built on top of the OAuth 2.0 and JWT specifications.

The standard output stream (stdout) is the stream where a program writes its output data.

Fabric.js is an HTML5 canvas library, providing an object model for canvases, an SVG-to-canvas renderer and a canvas-to-SVG parser.

Views (db) refer to database constructs that allow a user to join several tables together or restrict access to certain data. Views (UI) refer to generic objects with a graphical interface. See also the following tags: view, sql-view, android-view, uiview.

A view model or viewpoints framework is a framework which defines a coherent set of views to be used in the construction of an architecture. A view is a representation of a whole system from the perspective of a related set of concerns.

Refers to a space where variables and other items may be accessed from any scope.

A pipeline is a sequence of functions (or the equivalent thereof), composed so that the output of one is input for the next, in order to create a compound transformation. Famously, a shell pipeline looks like "command | command2 | command3" (but use the tag "pipe" for this). It's also used in computer architecture to define a sequence of serial stages that execute in parallel over elements being fed into a pipe, in order to increase the overall throughput.

Metaprogramming is the capability to reprogram ones programming environment, as with macros or metaclasses.

A text field (or text box) is a user-interface control allowing the user to input text into a program.

Version 7 of CentOS Linux distribution. The CentOS Linux distribution is a stable, predictable, manageable and reproduceable platform derived from the sources of Red Hat Enterprise Linux (RHEL).