This video effectively shows you tips and tricks when using the Master Items Library and how it works and why it is beneficial.

https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_Hub/Assets/work-with-master-items.htm

Playlist:
https://www.youtube.com/playlist

0:00 - Intro

0:28 - The Qlik Learning Portal

0:51 - What is the Master Items Library

2:30 - Create a Master Item (measure and dimension) - Simplified Authoring

5:11 - Create the chart with master items

5:43 - Master Items - Advanced Options - Master Visualizations

7:14 - Editing or Unlinking your Master Visualization

8:30 - Library Colors - Dimension usage

10:53 - Publish App to Managed Space for other users

12:00 - Switch to user with access to Managed Space

12:33 - Create analysis from Master Items Library content

13:35 - Publish content to the Community sheets

13:55 - Conclusion - ask questions, make suggestions