A word that describes something as simple, yet effective in picking up the nuances of something else. For example: "Disclosure makes __ electronic music, as their songs are simple pops songs with the nuances of good electronic music." Or, to put it differently: "the solution was simple yet drew upon all essential elements of the issue."
"This brief book is elegant and surprising."
cleverly and originally devised and well suited to its purpose.Ingenious
"Cogent" might be appropriate.