Chapter 1: What Kind of Resource is Language? 
Describing Language: Form and Function - The Collected Works of Ruqaiya Hasan Vol 5 - Ruqaiya Hasan†
Ruqaiya Hasan† [+]
Originating out of the demands we make on it, whether trivial or enormously momentous, language both shapes and reinforces the intersubjective reality within which we live, work and play. Casual conversation between mother and child provides the environment within which reality is spun out of language. Besides being purposeful, speaking is also a potential.