Administrator: class of user who logs in and has access to admin menus and can make changes.
Anonymous User: Anyone who visits the site but is not logged in.
Appearance: administrative menu tab where admin users can set and configure the default theme for your website.
Article: content entity type configured by Drupal and included as part of Islandora 2.0; accessed through Admin menu Content/Add Content/Article. Intended for blog-type entries.
Authenticated User: Someone who has an account and can log in to the site.
Basic Page: content entity type configured in Drupal and included as part of Islandora 2.0; used for static content that can (but is not required to) be linked to the main navigation bar.
Binary: an option under System Model in the add Repository Item form; enables download of files (Ex: Power Point Slides) through the site.
Block: chunks of content that can be placed on pages within the site’s layout; administered through Structure/Block Layout.
Checksum: Checksums are a sequence of numbers and letters to check data for errors. If you know the checksum of an original file, you can use a checksum utility to confirm your copy is identical. Checksums can be used to check the Fixity of a file.
Collection: Way of grouping related resources together, much like a directory on a computer. Collections can contain any number of related resource Nodes and sub-collections.
Comma-separated values (CSV): Is a text file format that uses commas to separate values, and newlines to separate information. Islandora Workbench uses a CSV file to populate Islandora objects' metadata. Microsoft Excel can save spreadsheets as a CSV file and is commonly used to create CSV files.
Compound Member Object: two or more individual images grouped under a parent collection, forming a compound object.
Compound Parent Object: the “parent collection” of two or more individual images; parent plus members equals a compound object.
Config file: A configuration file used by Islandora Workbench that defines the various options it will use to create, update, or delete Islandora content.
Configuration: administrative menu tab with multiple sub-menus including Search and Metadata.
Content: administrative menu tab where you can follow sub-menus to Add Repository Item.
Content entity: Kinds of content that the Drupal CMS manages; includes Nodes, Media, Taxonomy terms, users, comments, and files.
Content type: A general type of Node in Drupal. A content type defines a set of data fields and how they are displayed. Default Drupal content types are Article and Basic page; Islandora 2.0 adds Repository Item as a Content type, defining metadata fields typically used to describe digital resources.
Context: Drupal module that allows for "conditions" and "reactions" for Islandora objects. Provides for an "if-this-then-that" configurator for Islandora repositories.
Custom Block Library: accessed through the administrative menu under Structure/Block Layout/Custom Block Library, this option lets you create custom blocks and view those you’ve already created.
Derivative: A version of a file which is derived from an uploaded file. For example, a thumbnail generated from an uploaded image.
Docker: Platform that uses OS-level virtualization to deliver software in packages called containers. Islandora 2.0 uses Docker as part of ISLE, a suite of Docker containers that runs the various components required by Islandora 2.0 Defaults.
Drupal: Open-source web content management system (CMS) written in PHP. Known for being extremely flexible and extensible; the Islandora framework provides tools to use a Drupal website as a DAMS.
Drupal Core: Files, themes, profiles, and modules included with the standard project software download.
DAMS: digital asset management system.
Derivatives: files, usually generated automatically from a source file, which may be useful to the repository, e.g., smaller or compressed service files, thumbnails, files containing technical metadata about a file. For a more thorough overview of derivatives visit the Islandora Git Documentation page about derivatives.
Display Mode: under administrative menu tab Structure, submenu items View Modes/Add View Mode is where you would add a viewer. Viewers in the Islandora Starter site are OpenSeadragon and pdf.js.
Drupal Media Entities: Replaces Datastream found in Islandora 7. It wraps files in an intermediate structure which allows Fields to be attached to files, for instance storing technical metadata.
Embargoes: a module added via the Extend tab that controls access to collections and repository items.
Extend: tab on the administrative menu where you can install, uninstall, or update extensions/modules.
Extracted Text: media type introduced in the Islandora Starter Site; Text extracted from Images or PDFs; located under Structure/Media Types.
Entity: Drupal term for an item of either content or configuration data. Examples include Nodes (content items), Blocks, Taxonomy terms, and definitions of content types; the first three are content entities, and the last is a configuration entity.
Fedora: Digital asset management architecture supporting institutional repositories, digital archives, and digital library systems (such as Islandora 2.0) as standard smart storage.
Fedora Admin: in administrative menu, under People/Roles/fedoradmin; In order for data to be pushed back to Fedora, the site administrative user needs the fedoraAdmin role.
Field: Data of a certain type that is attached to a content entity. For instance, on a Resource Node content type, you might have fields for a title, description, display hints, subjects, and other metadata.
Fixity: file fixity; digital preservation term meaning that a digital file remains unchanged ('fixed') over time.
FITS: File Information Tool Set; gets metadata from a variety of formats, acts as a “wrapper.”
Groups: a tab on the administrative menu; In Drupal, a group is an organizational unit where a community of users who're interested in a topic can create content about that topic and interact with each other using status messages.
Harvesting : Pulling data in machine-readable formats from a site for use in another site. Usually achieved by bots or crawlers.
Home Page: located under Content/Add Content/Home page; you are able to set a particular page as your home or landing page. See this video.
IIIF: International Image Interoperability Framework. A set of open standards that helps archives, libraries, and museums make the most of their digitized collections with deep zoom, annotation capabilities, and more; also refers to the community of users and developers that support the framework.
Ingest: to add an entry for an object in Islandora 2.0. Can be done through the Drupal graphical user interface or one of the Drupal APIs (REST, Migrate API). The third-party contributed software Islandora Workbench uses the Drupal REST API for convenient bulk ingest.
Islandora Legacy: older version of Islandora 7.0, no longer supported.
Islandora model: The internal-to-Islandora category of the resource. The models affects how the item is displayed/viewed. The various models are: Audio, Binary, Collection, Compound Object, Digital Document, Image, Newspaper, Page, Page Content, Publication Issue, and Video. Islandora 7.0 on the Collection Tab with collection policy used Content model.
Islandora Starter Site: a way to install Drupal that provides a functional Islandora "out of the box."
Large Image: can be added as media of a repository item as a TIFF or jp2.
Media: Drupal content entity type; functions as a module where administrators can upload, manage, and reuse items like files and multimedia assets. For a more thorough overview of Media in Islandora, visit the Islandora Git Documentation page about it.
Media Library: under Content/Media/Media Library, available in grid or table view, includes all media added to site.
Menu: the Manage part of the administrative menu consists of the following tabs: Content, Structure, Appearance, Extend, Configuration, Groups, People, Reports, and Help.
Mirador: is a javascript-based zoomable image viewer. It is related to (and more fully-featured than) OpenSeadragon, another image viewer.
Module: Software (usually PHP, JavaScript, and/or CSS) that extends site features and adds functionality. Drupal modules conform to a specific structure allowing them to integrate with the Drupal architecture.
Newspaper Issue: added to a repository item Newspaper model as a child of that collection.
Node: a kind of content entity which is any piece of individual content, such as a page, article, forum topic, or a blog entry. All content on any Drupal website is stored and treated as Nodes. For a more thorough overview of Nodes, visit the Islandora Git Documentation page.
OAI-PMH: The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) is a protocol developed for harvesting metadata descriptions of records in an archive so that services can be built using (aggregated) metadata from many archives. Islandora 2.0 allows publishing of metadata in a way conformant to OAI-PMH, acting as a so-called OAI-PMH endpoint.
People: admin menu tab where accounts are added and managed.
Reports: tab on the admin menu; Graphical reports on various aspects of an Islandora repository.
Resource Description Framework (RDF): family of World Wide Web Consortium (W3C) specifications originally designed as a data model for metadata. It has come to be used as a general method for conceptual description or modeling of information that is implemented in web resources.
Resource Node: A Drupal Node that represents a single conceptual item or object stored in an Islandora repository. It acts as a container for all files and metadata associated with that item and is the place where the item 'lives' as a visitable URI. The term 'Resource node' is specific to Islandora.
Repository Item: available under admin menu Content/Add Content/Repository item. The core content type of Islandora 2.0; it is a Resource node/Drupal Node that represents a single conceptual item or object stored in an Islandora repository.
Roles: specific set of responsibilities or permissions assigned to a group of users within Islandora
Solr: An indexing and querying module needed to make changes to and administer Islandora's search functions.
Structure: a very important administrative tab where you can alter most of the “building blocks” of your site.
Taxonomy: In Islandora 2.0, a Drupal core module for managing vocabularies (lists) of taxonomy terms which are used to establish locally controlled vocabularies (such as standardized spellings of subjects)
for describing resources.
Taxonomy Term: In Islandora 2.0, a Drupal Content entity of the type Taxonomy Terms which is used for categorizing content. Highest level Taxonomy category is vocabulary (eg., genre, country, subject); within each vocabulary are terms (eg, poetry, Canada, cats). Depending on user role, it is possible to add both vocabulary and terms in Islandora 2.0.
Theme: Software and asset files (images, CSS, PHP code, and/or templates) that determine the style and layout of the site.
User: Anyone who visits your Islandora site is a user. There are three different default users in Drupal/Islandora: Anonymous (this is anyone who is not logged in); Authenticated (these are all users who have an account on your site and can log in); Administrator (this is a special class of user that can access the administrative menus in your Drupal site and make changes); and Fedora Admin (This is a specialized role needed for a user to write to Fedora from Islandora). Additional user roles can be created and assigned customized permissions.
View: A. Drupal View; a database query used to generate lists or tables of content. Drupal provides a powerful administrator interface for creating and editing views without any coding. B. Tab within the Islandora 2.0 interface that allows the user to view an item or collection.
Viewer: An add-on package that allows a solution pack to embed, display, or playback a particular object in a web accessible format. Viewers are typically a combination of a Drupal Library and a Drupal Module. The Drupal Library is the package of code that represents the player or display mechanism, and the Drupal Module is the code package that allows the Drupal Library to be accessed from within the Drupal environment.
Vocabulary: Drupal configuration entity that holds taxonomy terms. The vocabulary defines what fields are available on each term.
Weight: Drupal field that stores an integer value on an entity, allowing representation of the order of the entity in relation to other entities of the same type or sub-type. Used by Islandora 2.0 to store the order of components in compound objects, for instance, pages in paged content items (books, serials).
YAML: A human-readable data serialization language that is commonly used for configuration files. Islandora Workbench uses a config file that is saved as a YAML file.
*Sourced from https://islandora.github.io/documentation/user-documentation/glossary/ and drupal.org