# description
A list of all the definition resource types defined in this version of the FHIR specification.

# concept[].definition
This resource allows for the definition of some activity to be performed, independent of a particular patient, practitioner, or other performance context.

# concept[].definition
The EventDefinition resource provides a reusable description of when a particular event can occur.

# concept[].definition
The Measure resource provides the definition of a quality measure.

# concept[].definition
A formal computable definition of an operation (on the RESTful interface) or a named query (using the search interaction).

# concept[].definition
This resource allows for the definition of various types of plans as a sharable, consumable, and executable artifact. The resource is general enough to support the description of a broad range of clinical artifacts such as clinical decision support rules, order sets and protocols.

# concept[].definition
A structured set of questions intended to guide the collection of answers from end-users. Questionnaires provide detailed control over order, presentation, phraseology and grouping to allow coherent, consistent data collection.