The document discusses key concepts in direct marketing, interactive marketing, word-of-mouth marketing, and personal selling. It provides questions and answers about defining and describing these marketing techniques. Specifically, it addresses how direct marketing uses consumer channels without middlemen, how interactive marketing allows for customization, and how word-of-mouth through social media and viral videos can effectively spread information about products. It also outlines the steps for designing a sales force, managing sales representatives, and conducting an effective sales process.