Basically ECM is the contents management system that will help to align organization task, ECM (Enterprise Content Management) puts business content to work and allows organizations to realize new value. ... That's ECM. IBM ECM helps you transform the way you work by putting business content in motion, so you can capture, protect, activate, analyze and engage with content for greater insight and action.
for more info switch to below link
Editor, DotNetSpider MVM
Microsoft MVP 2014 [ASP.NET/IIS]