diff --git a/IT/Hashicorp Nomad.md b/IT/Hashicorp Nomad.md
index 522dd6a..cd3e234 100644
--- a/IT/Hashicorp Nomad.md	
+++ b/IT/Hashicorp Nomad.md	
@@ -9,6 +9,9 @@
 | dev_agent   | The development agent is an agent configuration that provides useful defaults for running a single node cluster of nomad.                                                                                      |
 
 ## Work terms
-| Phrase | Definition                                                     |
-| ------ | -------------------------------------------------------------- |
-| task   | The smallest unit of work in Nomad. Tasks are executed by task |
+| Phrase                    | Definition                                                                                                                                                                                                                                                                        |
+| ------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| task                      | The smallest unit of work in Nomad. Tasks are executed by task drivers like `docker` or `exec`, which allows Nomad to be flexible in the types of tasks it supports. Tasks specify their required task driver, configuration for the driver, constraints, and resources required. |
+| group                     | A series of tasks that run on the same Nomad client.                                                                                                                                                                                                                              |
+| job                       | The core unit of *control* for Nomad and defines the application and its configuration. It can contain one or many tasks                                                                                                                                                          |
+| job_specification/jobspec | A job specification, a                                                                                                                                                                                                                                                            |