5 · Abstract Ideas and Concepts
54 · Process of Action
54B · Means and Characteristics of Means
54BB · Means and Characteristics of Means (opposing concepts)
54BB3 · Inutility, Noxiousness; 'Nocumento', 'Nocumento d'ogni cosa' (Ripa)
54BB31 ·
Damage, Disservice; 'Danno' (Ripa)