The application is the most critical one to manage the IoT edge devices, data rules, data storage and data analytics uniformly. In Fogwing, Application is a group of edge devices or LoRaWAN Node/Gateway connected together virtually as one application. You also consider application as similar to project creation in development. In order to create and configure any devices, collect data by group, handle rule and other operational data analysis by group, the user should first declare the applications. Each user may create multiple applications depending the use cases and grouping needs.