Chronological classification in Information Architecture refers to the organization of content based on time or sequence. This method arranges information from the earliest to the latest or vice versa, depending on the context.

Imagine you're browsing a news website, and the articles are displayed from the most recent to the oldest. Or think of a history textbook where events are laid out in the order they occurred. These are examples of chronological classification.

In digital products, chronological ordering can be an intuitive way for users to navigate time-based content, like blog posts, event schedules, or timelines. It aligns with the natural way we think about time, offering a clear and logical path through the information. Whether it's a timeline of company milestones or a playlist of videos in a series, chronological classification helps users find what they're looking for with ease and efficiency.