The professor asked us to identify the dominant mode of discourse in the speech and explain how it serves the speaker's persuasive goals.

Before evaluating the formula, the logician defined the universe of discourse to include only natural numbers.

In academic writing, discourse markers help to guide the reader through complex arguments.

The graduate students presented several discourse analyses during the seminar last week.

When comparing formal systems, it's important to specify the universes of discourse to avoid ambiguity in quantification.

In the seminar, we analyzed historical changes in the modes of discourse used by political leaders.

Thou discoursest at tedious length about matters no one else wishes to hear.

In the dim light, the old scholar discourseth by the hearth, weaving tales of courage and compassion.

Her discourseless reply, a simple nod, ended the argument more effectively than pages of rhetoric.