5 · Abstract Ideas and Concepts
54 · Process of Action
54A · State of Being while Doing
54A1 · Activity
54A11 · Industriousness, Assiduity; 'Assiduità', 'Industria', 'Zelo' (Ripa)
54A11(+4) ·
Industriousness, Assiduity; 'Assiduità', 'Industria', 'Zelo' (Ripa) (+ emblematical representation of concept)