Hi LBS3,
Welcome to the Numbers for Mac forum!
If your question is about one Numbers document 'talking' to another Numbers document, that does not happen. Each Numbers document is self-contained and can refer only from one table to another table within the same document. The tables may be on different Sheets (Tabs) within the same document.
Perhaps you want to copy and paste a self-contained Sheet (that does not reference other Sheets) from one Numbers document to another Numbers document. Click on the "v" to the right of a Sheet name to reveal this menu.
Choose Copy Sheet.
Go to the other Numbers document and
LBS3 wrote:
(this is the first of, Im sure, many questions to come. :-))
Keep posting. There are many helpful users here. And there is no such thing as a stupid question! We all must learn from others.
Regards,
Ian.