How did Derrida use the idea of arche-writing to rethink speech and writing?

In Western philosophy, the traditional hierarchy has long privileged speech as an authentic, immediate expression of a speaker’s intentions, while viewing writing as a secondary, derivative, and "absent" form of language.1

Jacques Derrida challenged this binary by arguing that speech itself functions only through the same mechanisms traditionally attributed to writing—such as absence, difference, and the possibility of being repeated in new contexts without the original speaker present. Rather than simply inverting this hierarchy to favor writing, Derrida introduced the concept of "arche-writing" (archi-écriture) to displace the opposition entirely.1

He proposed that both speech and writing are manifestations of this generalized arche-writing, which encompasses all systems of representation. By doing so, Derrida demonstrated that neither term is primary. This analysis exposes the "logocentrism" of Western thought—the false assumption that truth or meaning exists independently of language—and highlights how meaning is instead created through the infinite "play" of differences and the deferral of meaning, a process he termed différance.1