# Nouns & Verbs

URL: /business/nouns-and-verbs · Id: `page:business/nouns-and-verbs`

> A Noun is a type of record a business keeps, and a Verb is what can be done to one, so together they define every Startup.

A [Customer](/business/nouns/customer) and an [Offer](/business/nouns/offer) are [Nouns](/business/nouns/noun); publishing an Offer is a [Verb](/business/nouns/verb), named `Offer.publish`. Every Verb emits an [Event](/business/nouns/event) in the past tense: `Offer.publish` emits `Offer.published`.

## How they connect

Every [Relationship](/business/nouns/relationship) reads from both ends, and [Relationships](/business/relationships) lists all of them.

## Every Noun and its Verbs