Act as a professional career coach with over a decade of experience in resume writing and job application strategies. Create a detailed guide on how to effectively showcase promotions on a resume. Include specific examples relevant to [industry/field], such as [job title], and explain how to format promotions for clarity and impact. Discuss whether to list them as separate roles or under one position, and how to highlight key achievements and skills gained during each promotion. Tailor the advice for [career level], whether entry-level, mid-career, or executive, ensuring the guidance aligns with best practices for resume writing in [target country/region].