A workbook, or set of inter-dependent workbooks, where data is structured along an axis of presentation; essentially a highly structured spreadsheet.  In a financial model, time is usually the primary axis.

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  1. Could I propose the following update to the description of a workbook:

    A workbook is a set of inter-dependent worksheets, where data is structured along two axes of presentation; essentially a highly structured spreadsheet. In a financial model, time is usually the primary (horizontal) axis with the vertical axis setting out various calculatory themes.

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