Which of the following best describes user groups in Slack?

User groups in Slack are designed to streamline communication among multiple members by allowing for collective mentions in messages. When you create a user group, you can combine several members into one group and mention that group in conversations. This way, instead of individually tagging each user, you can simply use the group’s mention, which notifies all members in that group at once.

This feature is particularly useful for teams that frequently collaborate or need to be kept in the loop on specific topics. It enhances efficiency and ensures that important updates or discussions reach all relevant parties without the need to mention them one at a time.

The other options do not accurately capture the nature of user groups in Slack: they are not limited to scheduling meetings, created solely by workspace owners, or defined by their ability to receive notifications. Instead, their primary function is to facilitate easier communication through collective mentions.