Which postal link serves as a virtual library of postal information and tools?

The correct choice, which is "Explore," serves as a virtual library of postal information and tools, providing users with a comprehensive platform to access various resources related to postal services. This can include information on postal rates, shipping options, tracking tools, service updates, and more, all organized in a way that makes it easy for users to find what they need.

The name "Explore" aptly reflects the function of this link, as it invites users to delve into a wide array of postal-related content and discover tools that can enhance their understanding and use of postal services. It emphasizes exploration and discovery, making it fitting for a resource that aims to inform and equip users with essential tools.

The other options, while they may imply connection or access, do not convey the same sense of an organized resource hub. For example, "Navigate" suggests guidance rather than the breadth of information available; "Connect" implies linking individuals or services rather than serving as a repository; and "Access" points to entering or reaching something but lacks the connotation of a resourceful library. Thus, "Explore" stands out as the best fit for a virtual library of postal information.