This report provides a comprehensive overview of marketing essentials, focusing on Beauty Giant, a cosmetics firm operating in the UK. The report begins with an introduction to the concept of marketing, defining its role in modern organizations and emphasizing its importance in driving sales and customer satisfaction. Task 1 delves into the core definitions of marketing, exploring various marketing concepts such as production, product, selling, marketing, and societal marketing concepts. It also examines the roles and responsibilities of the marketing function, including managing customer needs, tracking trends, transmitting brand values, ensuring coordination, and driving innovation. Furthermore, it explores the interrelationships between the marketing department and other functional units such as finance, production, and IT. Task 2 focuses on applying the marketing mix to the marketing planning process, using Beauty Giant and Avon Products, Inc. as case studies. It analyzes how these companies utilize the product, price, place, and promotion elements of the marketing mix to achieve their marketing goals. The report includes a comparison of product and pricing strategies, and concludes with the development of a marketing plan for Beauty Giant's new product, designed to attract and retain customers in the UK market. The report highlights the importance of adapting to market dynamics and customer preferences in the competitive cosmetics industry.