The labels themselves aren't important; it could be salt, pepper, oregano, and sugar, for all it matters. The descriptions of what each level means are very cle

The labels themselves aren't important; it could be salt, pepper, oregano, and sugar, for all it matters. The descriptions of what each level means are very clear. Their rationale of "C, D, and F employees would already know where they stand" also makes sense... they're trying to communicate that they expect above-average to excellent work from all members of their team.