difference between "devotion" and "commitment"

[Thunu]

Business English Lesson, Advanced Level

ESL/EFL Test #20 "Money Matters (3)", question 1

The representative of the financial consultants assured her that the policy of the firm was that of complete ..........

(a) destiny
(b) devotion
(c) commitment
(d) attention

Business English Lesson, Advanced Level

ESL/EFL Test #20 "Money Matters (3)", answer 1

The representative of the financial consultants assured her that the policy of the firm was that of complete commitment.

Correct answer: (c) commitment
_________________________

Can you explain the difference between "devotion" and "commitment" in this sentence, please?

Thu

[Mister Micawber]

.
'Devotion' includes an emotional parameter that is inappropriate here.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber

[Georgian]

devote is voluntary and commitment-compulsory