Compendious
Adjective
French, 14th century
Containing or presenting the essential facts of something in a comprehensive but concise way.
It stems from the Old French “compendieux,” from the Latin “compendiosus,” which means “advantageous, brief.”
Example: My compendious speech on the evolution of canines impressed my fellow Toastmasters.
Chief Writing Wolf 
I will faithfully try to write in the most compendious way.
Every writer and blogger should!