IPA: /səkˈsɪŋkt.nəs/
KK: /səkˈsɪŋktnəs/
The quality of expressing something clearly and in a few words without unnecessary details.
The succinctness of her presentation made it easy for everyone to understand the main points quickly.
Succinctness → It is formed from "succinctus" (from Latin, meaning to bind up or tighten) and the suffix "-ness" (meaning the state or quality of). The word "succinctness" refers to the quality of being concise or expressed in a brief manner, as if tightly bound.
Think of something that is 'tightly bound' ('succinctus') and remember that 'succinctness' means being concise or brief.