Security Keys in Ax

Dynamics Ax provides following keys to provide the security for application

1.License Keys : 
First Level Security , specifies what all featues/modules/developemnt tools we can access in the standard product.License Keys will be used after installation to unlock the product.License Keys will be issued by the microsoft for partners/vendors to develop vertical/generic solutions.

2.Configuration Keys :
Second Level Security , To Enable/Disable the object/feature for all the users.

3.Security Keys :
If you want to enable/disable object/features to group of users.

4. Record Level security :
Basically it deals with the data , if you want to restrict the viewing of records per user group than we setup record level security.