Question
What is the difference between ASP.NET Core and .NET Core Runtime?
Answer
- ASP.NET Core is the engine for .NET technology.
Selection of this component in Updates and Upgrades > Add/Remove Components > Plesk hosting features installs ASP.NET Core Module for IIS which is responsible for process management of ASP.NET Core HTTP listeners and to proxy requests to the process that it manages.
 - .NET Core Runtime is the environment for .NET applications that are uploaded on hosting.
Selection of this component in Updates and Upgrades > Add/Remove Components > Plesk hosting features installs .NET Shared Framework.