A domain represents one type of signal or resource. See Introduction for an introduction to domains, classes, queries, and rules.

Each domain page below documents:

Section	Describes
Object	The data structure returned by queries. Usually a struct or map type.
Store	Configuration fields for connecting to the back-end service.
Class	List of classes for domains with a fixed class list. Description of class name format for domains with a variable set of classes
Query	Query syntax for the selector part of domain queries in domain:class:selector format.

Domains: