Grammarians used synonymous terms (for prepositions), but the term (prepositions) was common among the Basrians, and the Kufics used the terms of addition letters and adjectives. The research department is divided into four axes: We include the first axis: the rooting of prepositions in language and convention, and between the ancients and moderns. The second axis: marking with monosyllabic letters and the third axis: it includes binary letters. The fourth axis: marking with triple letters. And the meanings that came from them include adhesion, seeking help, transgression, causation, circumstantial in a place on: transgression, excess.