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+++ b/doc/source/index.rst
@@ -2,8 +2,65 @@
 stx-fault Documentation
 =======================
 
-This is the documentation for StarlingX fault management.
+Following is the documentation for StarlingX fault management.
 
+--------
+Overview
+--------
+
+Fault management is a component of StarlingX project that detects, classifies,
+and notifies different behaviors occurring in the infrastructure.
+
+Undesirable behaviors in the system are detected as alarms that usually need
+corrective actions intermediately. The severity is determined according to a
+classification (e.g. critical, warning, and others) that provide the operator
+with more information about the system's condition. The classification also
+provides which system component is affected (e.g. network, storage, security,
+and so forth).
+
+Additionally, fault management (FM) handles expected behaviors organized in
+events. These behaviors are classified and show relevant information for the
+administrator that might require an action. Fault Management is a useful
+service to monitor the infrastructure's health and allows you to action
+according to priorities.
+
+Fault management is comprised of a group of sub-projects that work together to
+offer the FM service. Following is a brief description of FM's role:
+
++-----------------+-----------------------------------------------------------+
+| Sub-project     | Description                                               |
++=================+===========================================================+
+| fm-api          | Application API used by software applications to raise,   |
+|                 | clear and audit the alarms and events.                    |
++-----------------+-----------------------------------------------------------+
+| fm-common       | Includes libraries used by the fm-mgr. Additionally,      |
+|                 | fm-mgr includes a client that interacts with fm-mgr       |
+|                 | throughout  a socket.                                     |
++-----------------+-----------------------------------------------------------+
+| fm-mgr          | Creates, reads, and deletes faults. fm-mgr can access the |
+|                 | database.                                                 |
++-----------------+-----------------------------------------------------------+
+| fm-rest-api     | Through use of a RESTful API, allows information on events|
+|                 | and alarms from the database to be reported. For more     |
+|                 | information, see the API reference.                       |
++-----------------+-----------------------------------------------------------+
+| python-fmclient | Allows use of the Fault Management RESTful API.           |
++-----------------+-----------------------------------------------------------+
+
+StarlingX services can use Fault Management through a client that at the same
+time uses the API to handle the information in the database. The following
+diagram describes the process:
+
+.. figure:: figures/fm-usage-flow.png
+   :scale: 50%
+   :alt: Fault Management usage flow
+
+   *Fault Management usage flow*
+
+Finally, the StarlingX dashboard includes a view/panel that allows you to more
+easily view and interpret FM operations.
+
+-------------
 Release Notes
 -------------
 
@@ -12,6 +69,7 @@ Release Notes
 
    Release Notes <https://docs.starlingx.io/releasenotes/stx-fault>
 
+-------------
 API Reference
 -------------
 
@@ -20,6 +78,7 @@ API Reference
 
    API Reference <https://docs.starlingx.io/api-ref/stx-fault>
 
+-----
 Links
 -----