Assess learners' ability to apply plain‑language techniques to simplify workplace emails and short reports: identify and eliminate jargon, unnecessary detail, and passive constructions; select clearer vocabulary and stronger subject lines; reorganize content for reader tasks; and perform brief rewrite/editing exercises and multiple‑choice judgments illustrating correct principles. Scope: internal and external professional communications, focusing on practical editing and composing choices for clarity, brevity, and audience relevance.