entities-sample.puml

@startuml Entities sample
!include https://raw.githubusercontent.com/robbell/plantuml-c4/v1.0/c4.puml

' Entity samples, including: Person, System, Container, Component, Database and Boundary
Boundary("A boundary", "And its type"){
    Person("A person", "A business user") as person 
    Person("Other person", "With a different description", "External Person") <<modified>> as otherPerson

    System("A system", "Some system") as system
    System("Other system", "With a different description", "External system") as otherSystem
}

Container("A container", "My container") as container
Container("Other container", "With a tech description", "HTTP API") <<new>> as otherContainer 

Component("A component", "Some component") as component
Component("Other component", "With a tech description", "ASP.NET WebAPI") as otherComponent

Database("A database", "My database description") as database
Database("Other database", "With a tech description", "MySQL") <<external>> as otherDatabase  

' Relationship examples. For more information: https://plantuml.com/class-diagram
person --> otherPerson : My relationship
system ..> otherSystem : Another relationship
container <-- otherContainer : With tech description Tech("JSON over HTTP")
component ..> otherComponent : An async relationship
database --> otherDatabase

@enduml