Glossary

This section describes the terms used in this document.

Terminology	Description
Server	A computer on a network. It sends and receives data and instructions and performs calculations by communicating with other computers.
Server Group	A group of servers in which multiple servers are registered.
User	A user of a server.
Administrator	A user of a server, as well as the ability to register and manage users and other administrators.
User Group	A group of users or administrators in which multiple users are registered.
Login Node	A server whose role is to allow users or administrators to log in and perform some process within the server.
Administrative Node	Same as login node.
Computational Node	A server that executes operations such as simulation based on instructions from a user or administrator or from a login node within a server.
Client	A PC that logs into M:Arthur via a browser and performs operations.
Job	An operation that is executed by a user or administrator. The execution consists of multiple programs and execution commands.
Organization	The largest concept that manages users and servers. The M:Arthur contract is made on an organizational basis, and administrators manage the users and servers within the organization.