Difference between Pithiness and Succinctness

PITHINESS vs SUCCINCTNESS: NOUN

The condition of being pithy
The quality or state of being pithy.
The character of being pithy; strength; concentrated force: as, the pithiness of a reply.
Terseness and economy in writing and speaking achieved by expressing a great deal in just a few words

The property of being succinct, conciseness.
The state or character of being succinct; brevity; conciseness; terseness: as, the succinctness of a narration.
Terseness and economy in writing and speaking achieved by expressing a great deal in just a few words

Directness, Pompousness, Simpleness, Allusiveness, Eloquence, Wordiness, Pedantry, Prolixity, Articulateness, Facetiousness, Concision, Terseness, Brevity, Conciseness, Succinctness

Verbosity, Plainness, Subtlety, Simpleness, Eloquence, Wordiness, Insightfulness, Prolixity, Directness, Articulateness, Brevity, Terseness, Concision, Conciseness, Pithiness

Directness, Pompousness, Simpleness, Allusiveness, Eloquence, Wordiness, Pedantry, Prolixity, Articulateness, Facetiousness, Concision, Terseness, Brevity, Conciseness, Succinctness

Verbosity, Plainness, Subtlety, Simpleness, Eloquence, Wordiness, Insightfulness, Prolixity, Directness, Articulateness, Brevity, Terseness, Concision, Conciseness, Pithiness

In spite of its succinctness, the book is saturated with information and insights that are backed by valuable historical references and primary source quotes.
As accounts from the doorsteps have highlighted, the sheer scope of our manifesto also meant a lack of succinctness.
The brevity and succinctness of the Model Law may have been intended to enhance its worldwide appeal and acceptance.
On the other hand, the question must be asked: How much has its succinctness helped to establish its authority?
Very few contemporary writers display such originality and succinctness as well as conveying a forceful moral judgement.
Newscasters only have a few moments to relate the information, so succinctness is more important than ever.
Brevity, succinctness, and politeness are expected within covering letters, presented in a formal tone.
They are looking particularly for informed opinions and professionalism in reviews, along with succinctness.
Reading and responding on this particular device forces succinctness.
You get extra points for clarity and succinctness.