A Glossary of the main terms used in the Input-Output tables is in the link on the left. The links below contain fuller discussion of the input-output structure and compilation methods.
Explanatory notes covering the basic structure of input–output and associated tables, special treatments adopted in compiling input–output tables, and using input–output tables for analysis are shown in Australian System of National Accounts: Concepts, Sources and Methods (cat. no. 5216.0), Chapter 22, Input-Output Tables. Explanatory notes relating to the input–output tables covering the I–O approach to compiling the national accounts, and sources and methods are also shown here.
The input–output tables contain data formatted for presentation in millions of dollars. For use by some analysts and modellers, the data in the Excel spreadsheets contain additional decimal places to facilitate loading into other applications. Note that in the compilation of input–output tables various modelling techniques are used to populate the tables because directly collected information is not available for every cell in the input–output table. As a consequence of these modelling techniques, relatively small values may be estimated in certain cells but the statistical accuracy of these data cannot be verified to a sufficient degree. Where values less than $1m are shown, they are solely to facilitate reconciliation, row and column balancing and do not carry any economic meaning.
See also the Input–Output Quality Declaration for discussion of compilation sources and methods.
Quality Declaration 
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