Final answer:
Marketing data is a repository of information related to various marketing activities and is collected and stored to help businesses analyze and understand their marketing efforts, target audience, and overall performance.
Step-by-step explanation:
Marketing data refers to a repository of information related to various marketing activities. It includes data about sales, presales activities, completed sales, and marketing events. This data is collected and stored to help businesses analyze and understand their marketing efforts, target audience, and overall performance.