Either doesn't really matter.
length
They can come in any order.
It doesn't matter.
The most common way to measuring for a correct bra size, is first measure the length across the rib cage directly below the bust. When measure directly across the center of the bust. the difference between the two indicates the cup size.
When measuring a curtain, the length usually comes first. This refers to the vertical measurement from the top to the bottom. The width is then measured horizontally from side to side.
Either doesn't really matter.
in most documentation the length comes 1st but it usually doesn't matter unless you are doing something other than adding or multiplying.
length
length
it is lxwxh (width x hight)
They can come in any order.
It doesn't matter.
The first item that comes to mind would be a graduated cylinder, which has the volume marked off on the outside. Then, of course, you would include the various flasks and beakers and pipettes, which are all variations on the theme of a graduated cylinder. And so is a kitchen measuring cup.
length
After looking at several sites the rugs were all describe by the shorter(width) first.
First, find a wallet. Then decide on the unit of measure you would like to use. Inches and centimeters are both very popular, with the latter especially fashionable when measuring fine European leather goods. With these two issues resolved, you are ready for a rewarding wallet-measuring experience!