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Explanation about organisers can be found in the Dutch book Connection (chapter 6)
It states what organisers are and what the intention and working method is. There are also many examples.
In most cases, Organisers will be printed and filled in by hand. It is possible to fill them in digitally.
Many more organisers you can find in Office (e.g. Word and PowerPoint). You can find them in het menu Insert and then choose SmartArt.