What is considered First-Class Mail?

First-Class Mail is defined primarily as mail that is intended for personal correspondence and is typically used for letters, postcards, and other personal communications. It is known for its reliability and speed of delivery, making it a preferred choice for important personal messages and documents. First-Class Mail items are generally delivered within one to three business days, depending on the destination.

The classification of First-Class Mail includes not only personal correspondence but also pieces such as legal documents and small packages, provided they meet certain weight and size requirements. This is significant because First-Class Mail offers a combination of speed and handling that is often required for personal communications.

In contrast, other options do not encapsulate the broader definition of First-Class Mail. Urgent delivery only indicates a time-sensitive nature rather than a specific classification, while bulk mail used for advertising falls under different postal classifications, such as Standard Postal Services. Legal documents could potentially qualify as First-Class if sent under appropriate conditions, but they are not limited to this category alone. The focus on personal correspondence in the definition aligns with the characteristics and intended use of First-Class Mail, making it the correct answer.