Focus on one participant

[MrCoder]

Context

When we read or present a diagram, it is often that we focus on part of the diagram not the whole diagram.

Scenario/Example

A team is documenting how a legacy system works. It is a complex system so multiple components/systems are involved. Let's call them Frontend, BFF, PlatformLayer, Backend. In some discussion we may only want to focus on one participant, Backend for example.

In this case, it would be very helpful if we grey out other components so we can focus on all the messages sent to or from the Backend, something like below: