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 # 300 - Building Our Application
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+## 100 - Kanban
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+On your Mac, you can open additional notes side-by-side in a split view by pressing the option key on your keyboard and clicking on a note either in the sidebar, calendar, reference, or internal [[note]] link. 
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+This allows you to create a Kanban-style layout. For example, create these three notes:
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+- To Do
+- Doing
+- Done
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+Click and open the note "ToDo", then hold the option key and click on "Doing" and "Done":
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+Now you can create a few tasks in your "ToDo" note and move them via drag & drop from column to column:
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