Glossary

Basics

Term	Definition
Contember	An open-source developer platform designed to help developers create web applications quickly and efficiently.
Interface	In the context of Contember, this refers to the user interface components used to build bespoke user interfaces for web applications.
Engine	The part of Contember that handles the backend functionalities, including the data model and the GraphQL API.
Contember Cloud	A managed hosting service offered by Contember. It handles deployment-related tasks such as scaling and security, and provides professional support.
Project	Every project contains Contember Schema definition for your simple website, blog or any other content-based platform or database. Optionally any project can have its Contember Interface.
Instance	A running Contember Engine server hosting as many Contember projects as you like (and providing their Content API). Each instance has a single Tenant API, so you can store and manage access from a single point.
Entity	Entity is a basic unit in model schema. Each entity can have fields.
ACL rules	Access control rules for some entity.

Advanced

Term	Definition
Workspace	Your (git) repository with one or more Contember projects.
Content API	This is the primary GraphQL API for your project, which is automatically generated from your schema definition.
System API	This is a supplementary API for your project. It's primarily used to manage schema migrations. You need it only in really advanced usecases.
Tenant API	This API allows you to manage users, API keys, and project memberships on an instance.
Project Schema	This is the definition of your model, ACL rules, and input validation rules.
Project Schema Migrations	These are chronologically sorted, immutable JSON files that contain all schema changes. They serve as the source of truth for a schema.
Event	Every operation performed on your data is stored in an event log. This log can be utilized to track history.
Superadmin	This is a special user role within Contember. The Superadmin has the highest level of system access and control.