1. Project Brief or Requirements Document: A clear, detailed outline of the project scope, objectives, target audience, and any specific features or functionalities required. 2. Research and User Data: Any existing user research, user personas, or data insights related to the target audience. 3. Brand Guidelines: If applicable, brand guidelines, including visual identity, typography, color palette, and any specific brand elements to be incorporated into the design. 4. Content and Assets: Relevant content such as text, images, videos, or any other media assets needed for the design. 5. Technical Specifications or Constraints: Any technical specifications, platform requirements, or constraints that need to be considered during the design process. 6. Collaboration and Communication: Availability for regular feedback and communication, as well as clear points of contact for seamless collaboration throughout the project.