τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses
subs.
Bird's eye view: P. σύνοψις, ἡ (Plat.).
Summary: P. κεφάλαιον, τό.