In this book, we are going to dive into the Sencha Ext JS 5 world and explore real-world examples. We will also build a complete application from scratch, from the wireframe phase until the deployment in production.

Throughout this book, we are going to develop an application to manage a DVD rental store. In this chapter, we will introduce the application and describe its capabilities. You will also learn how to organize the files of the application, which is going to be built throughout the chapters of this book. This chapter will also present the mockup (wireframe) of the application and how to start organizing the screens (which is a very important step and some developers forget to do it). In this chapter, we will cover: