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generally a person that does not do programming have less friction with the topic if you approach him with a functional style. for example, try to get a proof of concept or a big picture of the problem in excel and build up from there. it does not have to be something complex, replace services and databases with simple rows.

As a programmer also I recommend to learn category theory, which is known for its diagrams (drawing!), its hard for a while, but when you get to adjunctions I found it makes easy to navigate any problem and as a consequence, you can explain/reason about it better.