The basis for effective scitech communications is formed by: focusing on the needs of the audience; structuring the substantive and language content accordingly; concentrating on accuracy, clarity and brevity; meeting logical requirements; and presenting in a communicative style and layout, including the use of visuals. In many scitech communications, the Appendix is the right place for detail not of immediate interest to most readers; this option is grossly under-utilized.

The detection of flaws in a list provides an opportunity to widen the perspective on the list content [1]. An additional opportunity occurs when the list heading has two distinct meanings. The list may then be represented better by a two-dimensional array. The case considered is that of the term function used in a list heading. Split into its most common meanings, objective and means used, it provides a new view on the list content. It produced, for instance, a two-dimensional structure for the main functions of language.