The standard uses the ISO 'A' series paper sizes.
Lines are the "vocabulary" of technical drawing. AS 1100.101 defines specific line types based on line thickness and style. AS 1100.101 1992 Technical drawing General principles.pdf
This is the most referenced section of the standard. The PDF specifies 15 different basic line types, but the 'Big Four' you must memorize are: The standard uses the ISO 'A' series paper sizes