LikeC4 Element Kinds and Relationship Types Reference

Use this skill when you need to check available element kinds and relationship types.

Actors (C1)

Actor_Person, Actor_Staff, Actor_Admin

Systems (C1)

System_Existing, System_New, System_Legacy, System_External

Containers (C2)

Container_Api, Container_Webapp, Container_Database, Container_Queue, Container_Cache, Container_WebServer, Container_Loadbalancer, Container_ObjectStorage, Container_FileServer, Container_ProcessingServer, Container_Mailserver, Container_IamServer, Container_ExchangeServer, Container_ApplicationServer, Container_Spa, Container_MobileApp, Container_Browser, Container_ReverseProxy, Container_Waf, Container_Firewall, Container_DataServer, Container_Directory, Container_Api_Geo, Container_DatabaseGeo

Components (C3)

Component

Deployment Zones

Zone, Zone_Internet, Zone_Vlan, Zone_Lan

Deployment Nodes

Node_Environment, Node_Vm, Node_Server, Node_App, Node_Container, Node_Pod, Node_Cluster

Infrastructure

Infra_F5, Infra_Firewall, Infra_Router, Infra_Switch, Infra_Vpn

Relationship Kinds (Model)

calls, async, reads, writes, uses

Relationship Kinds (Deployment)

http, https, tcp, nfs, amqp, sql, redis, smtp, ldap, oidc_saml