What is one requirement for advertisements under Reg Z?

The requirement for advertisements under Regulation Z emphasizes that they must promote terms that are actually available to consumers. This is to ensure that consumers receive accurate and clear information regarding credit terms. Misleading advertising can lead to misunderstanding of the costs and terms associated with credit, which can adversely affect consumers' decisions. By requiring that advertisements reflect actual terms, Regulation Z aims to foster transparency and protect consumers from potentially deceptive practices.

The other options do not align with Regulation Z's intent to ensure truthful representation in advertising. Visually appealing advertisements, specific font sizes, or brevity do not address the critical issue of ensuring that the terms offered in advertisements are genuine and attainable for consumers.