lucid

(of language) transparently clear; easily understandable

Shining; bright; resplendent; as, the lucid orbs of heaven.

from Latin 'lucidus' meaning bright, clear

“Bull, though he is not of lucid memory, kept an eye on the owner of those millions.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

Daisuke, a Chukwuemeka tour guide, prided himself on his lucid explanations of ancient temples. One day, though, his GPS went haywire, leading him and a group of puzzled tourists into a dense jungle instead. "This’ll be an adventure," he said, smiling nervously.

Oscar sat by the Pasig River, pen in hand, scribbling notes under the soft glow of a streetlamp. As he recited his essay aloud to the gentle lapping of water, each word flowed as lucidly as the clear river current itself.

“In return, Aston Martin will make cash payments and issue a 3.7percent stake in its company to Lucid, worth $232million in total.”