👉 The thesis weapon is the central argument or claim that an author or speaker aims to establish and defend throughout their work, serving as the core message or point of contention. It acts as a guiding principle that shapes the structure and content, providing a clear direction for the reader or audience to follow. This weapon is crucial as it encapsulates the main idea, often in a concise statement, and is used to support various points and evidence, ultimately aiming to persuade or convince the audience of its validity.