This presentation provides an in-depth understanding of the roles and responsibilities of a marketing department in an organization. It covers topics such as the key roles of marketing, marketing department's responsibilities in the marketing environment, interrelation with other functional departments, and the significance of departmental interrelationships. The presentation also discusses B2B vs B2C marketing, PESTLE analysis, and provides insights into Nestle's marketing strategies. References to relevant sources are included for further reading.