Under al-Sakkākī’s comparative formula, when is an expression concise?

Ījāz, Iṭnāb and Musāwāt: Standards of Expression and Their Distinctions

• Whenever fewer words are heard, even if meaning is incomplete
• When wording is longer than customary yet eloquent
• When wording is proportionate to the ordinary expression
• When the intended meaning is conveyed with fewer words than conventional wording