Final answer:
All of the provided options can be used to communicate ideas. Oral and written reports, charts and spreadsheets, and symbols and illustrations are all effective tools for conveying complex information and supporting written texts.
Step-by-step explanation:
The question posed is about the types of communication tools that can be used to convey ideas effectively. The correct answer is d) All of these, which includes a) Oral and written reports, b) Charts and spreadsheets, and c) Symbols and illustrations. These different methods are important for presenting information in a way that is most suitable for the audience and the data. For example, visuals such as graphs, charts, and symbols can often convey complex information more effectively than text alone. Additionally, oral presentations may be enhanced by the use of visuals to illustrate points and engage the audience. Written communications can also integrate visuals to support the text and help clarify abstract ideas. Including various forms of media like photographs, video, or audio can provide additional context and improve communication.