@startuml robust "Web Browser" as WB concise "Web User" as WU @0 WU is Idle WB is Idle @100 WU -> WB : URL WU is Waiting #LightCyan;line:Aqua @200 WB is Proc. @300 WU -> WB@350 : URL2 WB is Waiting @+200 WU is ok @+200 WB is Idle highlight 200 to 450 #Tomato;line:DimGrey : This is my caption @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art