Closing argument represents the most crucial part of the adversarial system of justice. For attorneys, it provides an opportunity to showcase their persuasive skills through the full range of semiotic resources at their disposal. While studies of legal discourse have examined speech performance, few studies, if any, have analyzed how speech integrates with gesture and material conduct in the production of persuasive oratory. This work demonstrates the role of multimodal and material action in concert with speech and how an attorney employs hand movements, material objects, and speech to reinforce significant points of evidence for the jury. More theoretically, we demonstrate how beat gestures and material objects synchronize with speech to not only accentuate rhythm and foreground points of evidential significance but, at certain moments, invoke semantic imagery as well.

中文翻译：

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结语时手势和物质行为的多功能性

结案陈词代表了对抗性司法系统中最关键的部分。对于律师来说，它提供了一个机会，可以通过他们可以使用的各种符号资源来展示他们的说服能力。虽然对法律话语的研究已经考察了演讲的表现，但很少有研究分析了演讲如何与手势和材料行为相结合以产生有说服力的演讲。这项工作展示了多模式和实质性行动与演讲相协调的作用，以及律师如何利用手部动作、实物和演讲来强化陪审团的重要证据点。从理论上讲，我们展示了节拍手势和实物如何与语音同步，以不仅强调具有证据意义的节奏和前景点，而且在某些时刻，