# post (mail)

a piece of matter that moves from one place to another

- Computed level: L4 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: verb-noun  ·  Arena: EmergenceLexicon

## Emergence
**Emerges from:** [piece](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-piece.portion), [matter](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-matter.substance), [motion](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-motion.movement), [space](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-space.extent)

**Through:** the piece of matter moves through space, becoming a mailed item

**Novel properties:**
- transported object
- intended for delivery
- identifiable as mail

## Examples
- The Apollo 14 command module carried 278,000 pieces of mail to the Moon and back in 1971. *(spaceflight)*
- The Pony Express delivered letters between St. Joseph, Missouri, and Sacramento, California, from April 1860 to October 1861. *(history)*
- A single USPS mail truck transported 1.2 million ballots during the 2020 U.S. election cycle. *(logistics)*

## Used by
- [blog](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-blog.online) (L9)
- [comments](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-comments.communication) (L11)
- [mail](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-mail.postal) (L8)

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-post.mail*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-post.mail.json*  
*Every definition provably resolves to space, time, energy and pattern.*