A succinct statement refers to a brief and clear expression of an idea, without any unnecessary details or explanations. It is a concise way of getting to the point and conveying information efficiently. Full definition
Recruiters look for succinct statements about an applicant's qualifications. (work.chron.com)
The interviewer is looking for a short, succinct statement about your relevant background and possibly your fit for an open position. (sciencemag.org)
A wonderful colleague of mine, a Hebrew Scripture scholar, once told me that he thought the most succinct statement of biblical Christianity was this: «In all things God works for the good of those who love him» (Rom. (religion-online.org)