Shapes
Using different shapes can be a great way to add an additional level of information to specific elements, as well as making a diagram look more aesthetically pleasing. Structurizr provides a number of different shapes that you can use to style your diagram elements.

Box
A regular box.

RoundedBox
A box with rounded corners.

Diamond
A diamond shape.

Ellipse
An ellipse.

Circle
A circle.

Hexagon
A hexagon.

Person
A "head and shoulders" outline, which can be used to represent people, actors, roles, personas, etc.

Robot
A robot shape, which can be used to represent automated actors (software systems), for example.

Component
A UML component shape.

Folder
A folder shape, which can be used to represent file systems, for example.

Cylinder
A cylinder shape, which can be used to represent databases or other data storage containers.

Pipe
A pipe shape, which can be used to represent queues, for example.

WebBrowser
A web browser shape, which can be used to represent browser-based (e.g. JavaScript) web applications, for example.

Window
A window shape, which can be used to represent desktop applications, for example.

MobileDevicePortrait
A mobile device shape, which can be used to represent mobile apps, for example.

MobileDeviceLandscape
A mobile device shape, which can be used to represent mobile apps, for example.