Being able to create filters is a very useful option, It would be nice if the advanced search used for filter creation allowed you to: filter on FOCUS.
Another solution would be that a CONTEXT can be selected together with a FOCUS in the left pane.
@Fajarowicz
We will take your suggestion into consideration in the future improvement.
Shall you need any other help or have additional questions, please feel free to contact us.
Thanks for your support on Doit.im.