# Definitions

An organzation is a type of container which contains the main information, users, subscriptions, licenses and all types of entities of a company.

An organzation user is a part of an organization that can have different permissions obtained via user roles.

A subscription is a type of container to store the purchased licenses.

A license gives the permission to use a specific product or service.

A connector is needed to establish a connection between the HXA.io system and a Microsoft service like Microsoft Exchange Online or Microsoft Teams. For HXA.io Roombooking a connection to an on-premise Exchange is possible too.

A resource is a type of container where all information and settings of room calendar and devices are stored in.

With calendar we mean the calendar of a room mailbox or resource mailbox to schedule your resources.

A device can be a roombooking display.

At the event protocol you can find error messages.

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There are two types of resource mailboxes:

• Room mailboxes: location specific resources such as conference rooms, auditoriums, etc.
• Equipment mailboxes: not location specific resources such as beamers, cars, etc.

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