http://hl7.org/fhir/StructureDefinition/Basic|4.0.1

Basic is used for handling concepts not yet defined in FHIR, narrative-only resources that don't map to an existing resource, and custom resources not appropriate for inclusion in the FHIR specification.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/DomainResource
typehttp://hl7.org/fhir/StructureDefinition/Basic
Basic.identifier.typehttp://hl7.org/fhir/StructureDefinition/Identifier
Basic.code.typehttp://hl7.org/fhir/StructureDefinition/CodeableConcept
Basic.code.binding.valueSethttp://hl7.org/fhir/ValueSet/basic-resource-type
Basic.subject.typehttp://hl7.org/fhir/StructureDefinition/Reference
Basic.subject.targetProfilehttp://hl7.org/fhir/StructureDefinition/Resource
Basic.created.typehttp://hl7.org/fhir/StructureDefinition/date
Basic.author.typehttp://hl7.org/fhir/StructureDefinition/Reference
Basic.author.targetProfilehttp://hl7.org/fhir/StructureDefinition/Practitioner
Basic.author.targetProfilehttp://hl7.org/fhir/StructureDefinition/PractitionerRole
Basic.author.targetProfilehttp://hl7.org/fhir/StructureDefinition/Patient
Basic.author.targetProfilehttp://hl7.org/fhir/StructureDefinition/RelatedPerson
Basic.author.targetProfilehttp://hl7.org/fhir/StructureDefinition/Organization