In this chapter, we will explore the key concepts of a Qlik Sense application design. Along with this, we shall look at the principles of building a Qlik Sense app using the Dashboard, Analysis, Reporting (DAR) methodology, learn how to use the visualization objects that are available to the user, and how to create and use Master items to reuse dimensions and measures across visualizations. Finally, we will understand how to use the Qlik Sense user interface and the basics of calculation expressions.

In this chapter, we will cover the following topics:

• Application overview 
• Understanding the DAR methodology
• Creating visualization objects
• Creating Master items
• Calculation expressions