I'm pretty good at tennis but only mediocre at racquetball.

However, this physical context may well be confused with a mental context, which would be the context of a characterizational judgment.

His bald spot gleams like a burnished conker.

No, Mr. Malone, I will place no restriction upon your correspondence, since the ventilation of the facts is the object of your journey; but I demand that you shall give no particulars as to your exact destination, and that nothing be actually published until your return.