Via Sofasurfer
https://www.sofasurfer.org/blog/2015/09/22/modx-processing-elements-explained/
He writes:
"If you disagree or think there is something missing, all comments are welcome"
A note:
http://draw.io is nice for creating charts!
[ed. note: mrhaw last edited this post 11 years ago.]
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Well, Template Variables are connected to Templates, primarily. After all, like chunks or resource fields, they are most commonly output directly into the template (or chunk or resource content).
And "I/O Filters" are more properly called "Output Modifiers".
I wonder if the request/document should be there too? You could argue that almost all front-end processing revolves around it.
(Also, it's Templates, not Templattes.)
Thanks for sharing and the interesting comments, I know this is not perfect. I just thought it might help people to understand the different Elements.
You can see and edit the chart here:
https://www.lucidchart.com/invitations/accept/11565739-7cc5-45ac-b2a8-4c5c750176d7
Perhaps we can make one which is "correct"

as I like this way of visualisation, as it makes things simple to understand.