Edit Mode

The mode in which you can edit a page. The “Edit” button is affixed to the right side of the page, under “View” and over “Manage Display.”

Entity

Any defined chunk of data in Drupal. This includes things like nodes, users, taxonomy terms, files, etc. Contributed modules can define custom entities. Each entity type can have multiple bundles.

Feature

Drupal configuration exported into code using the Features module. In Drupal 7, Features has become the standard way of exporting and versioning configuration that is stored in the database so that it can be moved from development to quality assurance, QA, to production in a repeatable manner. The WDC Basic Page and WDC Hero Feature are features in the Drupal distro.

Field

Elements of data that can be attached to a node or other Drupal entities. Fields commonly contain text, image, or terms.

Filter

A tool for stripping out HTML, PHP, JavaScript, and other undesirable elements from content before pages are displayed. Other filters add formatting and features, such as smilies.