There are a variety of different sign systems used by hearing-impaired individuals.

The focal point will be a direction board linked to a sign system which will take people through the 860-bed hospital.

The sign system thus involves a great learning task.

We live in a mediacentric society filled with many affective sign systems.

And there is a visual sign system to display what the next stop is.

Language has developed as a sign system - one of the ways in which humans communicate and make sense of the world around them.

It is the first level at which human language diverges in principle from the sign systems of other animals.

It is a grammatical sign system which reflects normal patterns of English.

Pragmatics studies the relation between the sign system and its human (or animal) user.

Connotation is concerned with how the sign system is used in each message.