A "lucid explanation" means a clear and easily understandable explanation. It is when someone is able to explain something in a way that is easy to comprehend and makes sense. Full definition
In addition to his scientific research, Hawking, a professor at the University of Cambridge, was known for his popular science books, including the best - selling A Brief History of Time, which captivated readers with lucid explanations of the universe's birth and the physical laws that rule the cosmos. (sciencenews.org)
On Monday, Valerie Strauss published among the most lucid explanations I have read of what's wrong, how the new law reproduces much of the same policy as the old No Child Left Behind, and what those of us who value our nation's system of public education ought to be saying as we respond to these policies. (jonathanpelto.com)
Thanks so much Nial, for a very lucid explanation of R / R particularly the pointing out of setting the risk levels in $ terms, I have read many articles on this subject but your presentation sharpens the focus deliciously. (learntotradethemarket.com)