# User management

**Learn to manage users and groups on Langstack. By the end of this section, you will be aware of the basic management tools in Langstack.**

## What are User management tools?

User management tools help users define and manage users account access levels. 

Langstack application security model is around users, groups, and privileges, where users belong to a group and the group is assigned a set of privileges. 

In the upcoming sections, learn about

* Privileges
* Groups
* Users.