Saussure set out to model language in purely linguistic terms, free of psychology, sociology, or anthropology.
There is no purely linguistic way of generally marking the intended use.
It's not purely linguistic, involving a text or books.
On a purely linguistic level he writes clearly and adequately.
Now this may be a purely linguistic convention.
I do not however consider this to be a purely linguistic or philosophical issue. It is an issue of crucial importance.
These are considered purely linguistic or technical and do not involve any point of substance.
In any event, this is a purely linguistic problem.
Finally, I must mention something which is purely linguistic.
In purely linguistic terms, there are two reasons for this difference between Belfast and certain other studies.