diff --git a/adsys/reference/glossary.md b/adsys/reference/glossary.md
index 271615c..8f0c501 100644
--- a/adsys/reference/glossary.md
+++ b/adsys/reference/glossary.md
@@ -7,7 +7,49 @@ concepts, tools or packages that a Windows users might
 not be familiar with.
 -->
 
-* AppArmor: ...
-* Polkit: ...
-* sudo: ...
-* ...
+- [**adcli**](https://manpages.ubuntu.com/manpages/xenial/man8/adcli.8.html): A command-line tool for managing Active Directory (AD) domain membership on Linux.
+- **Adsys**: A tool that allows system administrators to manage Ubuntu machines using Microsoft Active Directory (AD).
+- [**adsysctl**](https://documentation.ubuntu.com/adsys/en/latest/reference/adsysctl-cli/): A command-line utility for interacting with the Adsys service in Ubuntu.
+- **apt (Advanced Package Tool)**: A package management system used in Debian-based distributions like Ubuntu to install, update, and remove software.
+- [**AppArmor**](https://documentation.ubuntu.com/server/how-to/security/apparmor/): A Linux security module that enforces mandatory access control policies on programs to limit their capabilities.
+
+- **buffer**: A temporary data storage area used to manage data flow between processes, hardware, or networks.
+
+- [**certmonger**](https://manpages.ubuntu.com/manpages/focal/man8/certmonger.8.html): A service that monitors and renews certificates, commonly used in enterprise environments.
+
+- **D-Bus call**: A command or API request used to communicate with system services via D-Bus, a message bus system for interprocess communication.
+- **Daemon**: A background process that runs continuously to provide system services.
+
+- **FISH (Friendly Interactive Shell)**: A user-friendly command-line shell with syntax highlighting, autosuggestions, and other advanced features.
+- **FQDN (Fully Qualified Domain Name)**: A complete domain name that specifies the exact location of a device within the DNS hierarchy.
+
+- **getcert**: A command-line tool used to request, monitor, and renew security certificates, often used with certmonger.
+- **GSettings**: A system for storing application and desktop settings in GNOME-based environments.
+- **GVfs (GNOME Virtual File System)**: A user-space virtual filesystem that provides access to remote locations, such as FTP, SMB, and Google Drive.
+
+- **kernel**: The core of an operating system that manages hardware and system resources.
+- **Kerberos**: A network authentication protocol that uses tickets to securely authenticate users and services.
+
+- **LDAP (Lightweight Directory Access Protocol)**: A protocol for accessing and managing directory information, commonly used for authentication.
+
+- **Mount Managers**: Tools or processes that handle the mounting and unmounting of filesystems on Linux.
+- **mounts**: The process of attaching a filesystem to a specific directory in the Linux file hierarchy.
+
+- **PAM (Pluggable Authentication Modules)**: A framework for integrating various authentication methods into Linux systems.
+- [**Polkit**](https://manpages.ubuntu.com/manpages/focal/man8/polkit.8.html): A toolkit for defining and handling system-wide privileges in Linux.
+- **proxy**: A server or service that acts as an intermediary for network requests, often used for filtering or caching.
+
+- **realmd**: A service that allows automatic discovery and enrollment of Linux machines into Active Directory or other identity domains.
+
+- **Samba**: A software suite that enables file and print sharing between Linux and Windows systems using the SMB/CIFS protocol.
+- **Security Identifier (SID)**: A unique identifier assigned to users, groups, and other objects in Windows-based systems.
+- **SSSD (System Security Services Daemon)**: A service that manages authentication and authorization with identity providers like Active Directory or LDAP.
+- **sudo**: A command that allows users to run programs with elevated (superuser) privileges.
+- **systemd**: A modern system and service manager for Linux, responsible for initializing and managing system processes.
+- **systemd journal**: A logging system that collects and organizes system logs for troubleshooting and auditing.
+
+- **Ubiquity installer**: The default graphical installer for Ubuntu, designed to simplify OS installation.
+
+- **visudo**: A command used to safely edit the sudoers file, which controls user permissions for executing commands with elevated privileges.
+
+- **Winbind**: A component of Samba that allows Linux systems to authenticate users against a Windows domain.