Act as a professional resume writer with 10+ years of experience in crafting high-impact resumes for executives and mid-career professionals. Provide a detailed guide on how to effectively showcase achievements on a resume, tailored for [INDUSTRY] professionals at [CAREER LEVEL]. Include specific strategies such as quantifying results (e.g., 'Increased sales by 30% in Q1'), using action verbs (e.g., 'Led,' 'Optimized'), and aligning accomplishments with [TARGET JOB] requirements. Offer 3-5 concrete examples of achievement statements that demonstrate measurable impact, and explain how to structure them under each role for maximum readability and employer appeal.