This report provides a comprehensive analysis of marketing essentials, focusing on the case of Nokia. It begins by outlining the role and responsibilities of the marketing function, including market research, product development, and plan development, and its function within the wider organizational context, detailing its interactions with sales, manufacturing, HR, procurement, and finance departments. The report then compares the marketing mix implementation of Nokia with Samsung, examining product, price, promotion, and place strategies. The report concludes with a marketing plan analysis for a new product, considering cultural, market size, and competitive factors, supported by a STEPP analysis of technological, social, ecological, political, and economic environments, as well as a SWOT analysis to evaluate the company's strengths, weaknesses, opportunities and threats. The report aims to provide insights into marketing strategies and their practical application.