Wiktionary
UNDERDRAW, verb. (transitive) To cover or line the underside of a structure (such as a floor) with plasterwork, boarding or other such treatment.
Wise words
It is better wither to be silent, or to say things of more
value than silence. Sooner throw a pearl at hazard than an
idle or useless word; and do not say a little in many words,
but a great deal in a few.