The phrase signifies a pre-departure action involving acquiring a travel resource, likely accommodation or transportation. For example, securing lodging or a flight prior to embarking on a journey. This practice is typically associated with planned travel, whether for leisure or business.
Advance booking offers several advantages, including securing preferred options, potentially benefiting from lower prices, and mitigating last-minute availability issues. Historically, securing travel arrangements in advance was crucial due to limited communication and booking infrastructure. While online platforms have streamlined the process, pre-trip planning remains valuable for ensuring a smooth and cost-effective travel experience.