A build is a compiled code of entire application. 

• It is created by Deployment Lead
  
• It is made fortnightly
  
• It is created by Maven Build  that makes  .WAR file.   WAR stand for Web Archive.  Maven build configuration is in POM.xml file.
  
• WAR file is deployed in QA Environment.   It is copied in /webapps of Tomcat or /deploy folder in JBOSS.
  
• Each build is given a Version number.
  
• Release note ( doc) is created after each build that contains
  
• Build Version Number
  
• List of working functionality
  
• List of Resolved bugs
  
• List of Open Bugs