For me, this expression covers a broad set of features used to communicate, either verbally or with text and other media. It includes factors related to language, structure and design, and the relevance and appropriateness of all these to the subject and the target reader.
- It is clear in that the widest audience possible in the target group can easily find and understand the information.
- It is effective in that the reader can find enough information to be able perform a task in the way intended and with confidence.
It assumes all information is accurate and complete.
