Basic Relationship
The updated documentation is now at
To track companies and their products:
  • Make two Decks: Companies, and Product Lines.
  • In Product Lines, add a Link field called "make" and select Companies as the link to deck.
That's it.
"Companies" deck
"Product Lines" deck
"make" field
Now that a relation is defined, any Card in Product Lines can link to a Companies card, establishing a two-way relationship:
From the other direction, any Companies card can easily browse to all Product Lines that belong to the company:
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