The Visual Studio 'project properties' UI provides easy modification of lots of properties for the project, assembly, and packaging capabilities (note: packaging means DLL, EXE, and NuGet packages).
In .NET Framework, VS provided a UI for Assembly Information:
This translates in .NET Framework projects to (by default) an AssemblyInfo.cs (in Properties\AssemblyInfo.cs by default) and writes out the specific AssemblyAttribute (e.g., AssemblyTitleAttribute. It looks like this with the values in the UI from above:
[assembly: AssemblyTitle("This is the file description")]
[assembly: AssemblyDescription("This is a description but actually a Comment")]
[assembly: AssemblyConfiguration("")]