---
schema_version: "1"
id: f69bf9fff49a50c3d3ccf78a38b3073f62fe06c2d7b94fd973e7aff877abfe91
title: Interactions
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_es_interactions.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_es_interactions.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: a3d71a46c811e095cf5ef3a327e23daa4d875b1b4418b935774f188bd2c58e06
description: Email Studio Interactions contain the communications and data processes that build and support your relationship with customers.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Interactions

Email Studio Interactions contain the communications and data processes that build and support your relationship with customers.

- **[Activities](https://help.salesforce.com/s/articleView?id=mktg.mc_es_activities.htm&release=264.0.0&type=5)**  
    An activity is a discrete unit of work in the application.
- **[Messages](https://help.salesforce.com/s/articleView?id=mktg.mc_es_messages.htm&release=264.0.0&type=5)**  
    A message is a communication sent to an individual subscriber or a collection of individuals, such as a list, group, or data extension. In Marketing Cloud Engagement, you can send emails and SMS messages.