Final answer:
When creating propositions for marketing new phones, a Strategy Designer on the MyCo platform would use Properties to define the characteristics of the proposition, focusing on unique selling points, benefits, and how the product fits with marketing strategy, while considering the purpose and audience of the proposal.
Step-by-step explanation:
To define the characteristics of a proposition when creating new propositions for marketing new phones on a company website using a banner, a Strategy Designer would use C) Properties. These properties detail the unique selling points, benefits, price, target audience and how the product fits into the company's broader marketing strategy. They are integral to crafting a compelling offer that aligns with the goals of the business and the needs of the customer.
The roles of purpose and audience are central in writing a proposal. Purpose relates to the goal the proposal is meant to achieve, while audience pertains to the intended recipients of the proposal and their expectations. Key features and characteristics of proposals include a clear statement of need, a detailed description of services offered, pricing, timelines, and an explanation of why the provider is uniquely qualified to meet the client's needs.