. 2019 Apr 11;9(4):e024501. doi: 10.1136/bmjopen-2018-024501

Table 1.

Glossary of terms

Primary care type problem	A condition that a typical general practitioner in a typical general practice would be expected to manage.
Streaming	A system, following brief clinical assessment, to allocate patients to the most appropriate healthcare provider within the emergency department setting.¹²²
Triage	Identifying acuity and prioritising patients on that basis.¹²²
Redirection	‘Sending people away’ to an appropriate off-site or separately managed service.¹²²
Context (C)	Pre-existing conditions which influence the success or failure of different interventions or programmes.^{21 123}
Mechanism (M)	The intervention and people’s reaction to it; how does it influence their reasoning?^{21 123}
Outcome (O)	Intended and unintended results as a result of a mechanism operating within a context.^{21 123}
Initial theory	An early theory informed by available evidence describing why, how and for whom the intervention is thought to work using a context–mechanism–outcome configuration.^{21 123}
Refined theory	An initial theory that has been refined using primary or secondary evidence.^{21 123}