A CCLI license will allow you to print and project music on a screen.  The streaming license is an add on for churches to put worship music and content on the internet.  The most common company is CCLI. 
This website does a good job of explaining the reasoning behind a license.  See https://us.ccli.com/copyright-license/.
In most situations, you’ll need 2 licenses, a CCLI SongSelect license (see below) and a streaming license (see below).