# merge

URL: /business/verbs/merge · Id: `page:business/verbs/merge`

> Every merge Verb, one per Noun: Change, Contact, Organization, Visitor.

`merge` acts on 4 [Nouns](/business/nouns/noun). Each is its own [Verb](/business/nouns/verb), named for its Noun.

| Verb | Noun | Definition |
| --- | --- | --- |
| [Change.merge](/business/nouns/change/merge) | [Change](/business/nouns/change) | Merge applies a Change to live data with a three-way, field-level merge against its base Version. |
| [Contact.merge](/business/nouns/contact/merge) | [Contact](/business/nouns/contact) | Merge joins a duplicate Contact into another, keeping every link, Message and Event on the one that remains. |
| [Organization.merge](/business/nouns/organization/merge) | [Organization](/business/nouns/organization) | Merge joins a duplicate Organization into another, keeping every Contact, Deal and Event on the one that remains. |
| [Visitor.merge](/business/nouns/visitor/merge) | [Visitor](/business/nouns/visitor) | Merge joins two Visitor ids that belong to one person and keeps both as aliases. |