@startuml web - content
participant "web-server" as webServer
participant "user-client" as uClient
participant "user" as user
participant "version control" as vcServer
participant "control-server" as controlServer
participant "admin" as admin
participant "admin-client" as aClient
participant "development enveronment" as ide

admin -> aClient : "instructions"
webServer -> uClient : "html-pages"
uClient -> user : "content"
uClient <- user : "requests"
webServer <- uClient : "http-requests"
vcServer -> controlServer : "last content updates\n html-pages"
controlServer -> webServer : "html-pages"
admin -> ide : "instructions"
ide -> vcServer : "html-pages"

@enduml