.NET standard looks like a description of features, but not its implementation. It's the standard to which all other .NET implementations are measured by. .NET

.NET standard looks like a description of features, but not its implementation. It's the standard to which all other .NET implementations are measured by. .NET core is the new guy in town that is cross platform. ASP.NET Core is the web framework built on top of .NET core. .NET Core is called a superset of .NET Standard because it implements everything and more.