What example best illustrates the 'Understandable' principle in web content?

The 'Understandable' principle in web content emphasizes the importance of presenting information in a way that is clear and easy for users to comprehend. Clear vocabulary and structured formats are vital because they directly contribute to the overall accessibility of the content. When web content employs straightforward language, avoids jargon, and is organized in a logical manner, it enhances the ability for all users, including those with cognitive disabilities or those for whom the language may not be their first, to effectively understand and navigate the information presented.

In contrast, options that involve complex language usage introduce barriers to understanding, while increased color contrast, although it may improve visibility, does not necessarily aid in comprehension. Dynamic animations can engage users but may also confuse or distract if not implemented thoughtfully, thus not contributing to the overall clarity and understanding of the content. The focus on using clear vocabulary and structured formats aligns with the goal of ensuring that all web content is not only accessible but also easily consumable for a wide range of users.