A "clear explanation" means giving information in a way that is easy to understand and leaves no confusion. It is when someone explains something in a simple and straightforward manner. Full definition
With clear explanations of complex biological processes, this is a fascinating tour of the molecular basis of human life and the power of genetic disposition. (booklistonline.com)
The book is both rigorous and practical, with clear explanations of theory, user - friendly summaries of outcome research, and application of theory and research to a variety of clinical material. (ce-credit.com)
Read here, and here and here for three different examples of clear explanations as to why the claim of a «no warming in the last xx years» is simply wrong. (realclimate.org)