Marketing collateral encompasses a broader range of materials created by the marketing team to raise brand awareness, educate prospects about products or services, and generate leads. It includes materials like brochures, infographics, social media content, and website content. Sales collateral is specifically designed to support the sales team during the later stages of the sales process. It includes materials like product datasheets, case studies, sales presentations, and pricing sheets. The focus is on providing detailed information to help close deals and address specific customer needs.