Abbreviations and Specific Names. Abbreviations and acronyms based on proper nouns should be written in all capital letters. In most cases, derivative words do not need to be capitalized. This applies to terms based on a professionalâs surname that are used in a general sense today.
Length times width times depth (L x W x D) measures cubic feet and must be measured in feet.
'D' and/or 'M' is the shoe size width measurement, and indicates a medium or standard width. Furthermore, a 'C' width would be narrow width, an 'E' width indicates a wide width, and an 'EE' width would be extra-wide.