Linked.Archi C4 Model Taxonomy
type: Ontology
license: http://creativecommons.org/licenses/by/4.0/
preferred namespace prefix: c4tax
description: SKOS taxonomy classifying C4 model elements by abstraction level and relationship types by category.
created: 2026-04-16
publisher: Linked.Archi
source: c4model.com

C4 Model Concept Scheme
type: ConceptScheme
definition: Classification of C4 model elements by abstraction level.
has top concept: C4 Element
has top concept: C4 Relationship

C4 Element
type: Concept
top concept of: C4 Model Concept Scheme
in scheme: C4 Model Concept Scheme

Context Level (L1)
type: Concept
broader: C4 Element
definition: Highest abstraction — people and software systems.
in scheme: C4 Model Concept Scheme

Person
type: Concept
broader: Context Level (L1)
in scheme: C4 Model Concept Scheme

Software System
type: Concept
broader: Context Level (L1)
in scheme: C4 Model Concept Scheme

Container Level (L2)
type: Concept
broader: C4 Element
definition: Applications, services, databases within a system.
in scheme: C4 Model Concept Scheme

Container
type: Concept
broader: Container Level (L2)
in scheme: C4 Model Concept Scheme

Component Level (L3)
type: Concept
broader: C4 Element
definition: Code-level modules within a container.
in scheme: C4 Model Concept Scheme

Component
type: Concept
broader: Component Level (L3)
in scheme: C4 Model Concept Scheme

Infrastructure
type: Concept
broader: C4 Element
definition: Deployment nodes and infrastructure.
in scheme: C4 Model Concept Scheme

Deployment Node
type: Concept
broader: Infrastructure
in scheme: C4 Model Concept Scheme

Infrastructure Node
type: Concept
broader: Infrastructure
in scheme: C4 Model Concept Scheme

C4 Relationship
type: Concept
top concept of: C4 Model Concept Scheme
in scheme: C4 Model Concept Scheme

Uses
type: Concept
broader: C4 Relationship
in scheme: C4 Model Concept Scheme

Containment
type: Concept
broader: C4 Relationship
in scheme: C4 Model Concept Scheme

Deployment
type: Concept
broader: C4 Relationship
in scheme: C4 Model Concept Scheme