| functional(adjective, feature, characteristic, detail) |
| service(noun, support, help, benefit, assistance) |
| utility(noun, service, assistance, observance) |
| business(noun, service, assistance, utility, observance) |
| didactic(adjective, feature, detail, management) |
| effective(adjective, feature, characteristic, detail) |
| informational(adjective, feature, detail, management) |
| modification(noun, change, variation, adaptation, adjustment) |
| responsibility(noun, duty, task, assignment) |
| active(adjective, feature, characteristic, detail) |
| benefit(noun, support, help, service, assistance) |
| duty(noun, responsibility, task, assignment) |
| office(noun, service, assistance, utility, observance) |
| operable(adjective, feature, characteristic, detail) |
| operative(adjective, feature, characteristic, detail) |
| usable(adjective, feature, characteristic, detail) |
| usefulness(noun, service, assistance, utility, observance) |
| work(noun, responsibility, duty, task, assignment) |
| adaptation(noun, change, variation, adjustment) |
| alteration(noun, change, variation, adaptation, adjustment) |