Deployment descriptors are like configuration files.
The below sites summaries all xml schemas defintions for all EE 7 deployment descriptors.
http://antoniogoncalves.org/2013/06/04/java-ee-7-deployment-descriptors/
The below sites summaries all xml schemas defintions for all EE 7 deployment descriptors.
http://antoniogoncalves.org/2013/06/04/java-ee-7-deployment-descriptors/