We’ll need a bit more to go on than that, but the first thing that comes to mind is Plato’s “Form of the Good”.

This user has been deleted and all their posts removed.

First there is void, then there is existence, then there is goodness, then there is truth, then there is beauty. That's the hierarchy of the transcendentals. The sum of to being, or rather, a being. Whether things share something common between them, or are more individual, is the nominalist debate. Nominalism is fun to think about

Is good equated to Being?

Good in Plato's philosophy, you mean? And what do you mean by "being"?