Box 1: An Azure Log Analytics workspace
In the Azure portal you can set up a Log Analytics workspace, which is a unique Log Analytics environment with its own data repository, data sources, and solutions
Box 2: ILB1 -
Reference:
https://docs.microsoft.com/en-us/azure/log-analytics/log-analytics-quick-create-workspace
https://docs.microsoft.com/en-us/azure/load-balancer/load-balancer-standard-diagnostics