How might the second speaker reason from the literal semantic meaning of 'The window is open' to its particular pragmatic function in context?

As with intonation, this feature is not restricted to sentences having the grammatical form of questions - it may also indicate a sentence's pragmatic function.

Malinowski argues that Trobriand magic spells, like all forms of language, must be understood in context, as "verbal acts", with a predominantly pragmatic function.

This theory of a pragmatic function of language as a functional aspect of human behaviour, is an early anthropological contribution to the theory of pragmatics.

The developmental tasks model that Havighurst developed was age dependent and all served pragmatic functions depending on their age.

These are the default set (Set I), and a set with "certain interpersonal and pragmatic functions" (table 1.27):

The sculpture also has a pragmatic function, serving as a publicity platform to promote arts and cultural activities in a community setting.

Ergative marking has the pragmatic function of displaying the degree of expectedness of the subject.

Prosodic stress can shift for various pragmatic functions, such as focus or contrast.

Originally, the emergence of morality evolved to facilitate co-existence within groups, which together with language, served more pragmatic functions.