I need help understanding how the Data Source works

[NigelG]

Hopefully tried to explain a little here …

I need a better understanding of how the DB works

Yes, a Data Type is a Table. A Field is a Field. A Thing is a Row/Tuple/Object. Worth mentioning “Field Type” and how that can implement Relationships. So beyond “text” and “number” a field type can take the type of an existing Data Type. So instead of a foreign key, we are setting the field to be a reference to another Thing. We could have Vehicle, which could have a field Manufacturer, or type Manufacturer … where there is another Data Type called Manufacturer. And we Set that field (on Vehi…

A"thing" is a record/row/object. Once you grok that … you are most of the way there.