642.2—Definitions.
As used in this part:
(i) Examples.
For purposes of this part, examples of factors to be considered in determining whether a statement is in plain language and uses clear and concise sentences, paragraphs, and sections include:
(F)
Avoidance of explanations that are imprecise and reasonably subject to different interpretations; and
(b)
Principal promotional document means the document designed to be seen first by the consumer, such as the cover letter.