There are some classes in our public API which still have word 'Arguments' in them https://github.com/dotnet/machinelearning/blob/17c037f757113aba8acdc88abf2803b86fe95b93/src/Microsoft.ML.StandardLearners/Standard/Online/OnlineLinear.cs#L22 We should rename them to *Options instead. Related to #1798 #1758
