A list of references that will be useful is as follows:
Richard Harbridge : SharePoint glossary: http://www.rharbridge.com/?page_id=60
SharePoint high availability and Disaster Recovery: http://www.slideshare.net/thomasvochten/sharepoint-high-availability-disaster-recovery
SharePoint 2013 Business Continuity DR : Management Features : http://www.youtube.com/watch?v=DvRSVbhydyU
What SharePoint 2013 means for the data center : http://www.computerworld.com/s/article/9234922/What_SharePoint_2013_means_for_the_data_center
SharePoint best practices: http://social.technet.microsoft.com/wiki/contents/articles/12438.sharepoint-2013-best-practices.aspx
Common DR terms: http://www.binomial.com/resources/glossary.php