ThingWorx Glossary U - W

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Term	Definition
user	An account that can be used to access ThingWorx (design time and/or run time).
user group	A collection of users to provide a common level of security-access. Allows you to categorize users of the ThingWorx system. User groups can contain users and groups. All permission settings and overrides are cumulative. The ThingWorx default security policy is restrictive. When you create a new group or user, the account will not have any rights in ThingWorx until you assign them.
user management subsystem	Subsystem that manages session and password hash settings. See Subsystem.

Term	Definition
value stream processing subsystem	Subsystem that manages value stream storage and retrieval. See Subsystem.
value stream	A storage table for time-series information about a Thing's property values. Querying a Value Stream returns the value of the specified property.
virtual Thing	A modeled Thing defined in Edge that is represented as a remote Thing in the ThingWorx Platform.
visibility	A simple form of access control. If an entity is visible to members of an organizational unit, those members have access to the entity, and the underlying granular security model determines what interaction members of that organization unit have with a specific asset. Visibility can be set at the collection level, the individual entity level, or at the visibility level of the Thing Template instance.
vocabulary	A collection of terms used to create tags.

Term	Definition
WebSocket-based Edge MicroServer (WS EMS)	Allows edge devices or data stores to connect to the ThingWorx Platform through the internet or a firewall using the AlwaysOn™ binary protocol.
WebSocket communications subsystem	Subsystem that handles core WebSocket communications. See Subsystem.
WebSocket execution processing subsystem	Subsystem that handles WebSocket execution processing. See Subsystem.
widget	The components placed on a Mashup such as grids, charts, text boxes, buttons, and navigation links. Anything that is visible or clickable is a widget.
wiki	A type of Widget that mimics the functionality of a 'collaborative website', and allows collaborative editing of its content and structure by its users. Wikis may have posts added by both human users and the system itself.