Which three elements should be included in the OmniScript design to allow users to review and change account number data?

The option indicating Telephone is appropriate in the context of designing an OmniScript for users to review and change account number data because it likely pertains to contact information that is meaningful in managing account details. In scenarios involving account management, having the capability to update contact methods like telephone numbers provides users with the ability to communicate and ensure that all account-related information is current and accurate.

Revisiting the question requirements, a successful OmniScript design should encompass elements that specifically support viewing and modifying account data rather than unrelated elements. While telephone information might not directly represent the account number itself, it reflects a relevant element users often need to manage as part of their account profile.

Other elements, such as a number field or a text area, might also be relevant to modify account-related details directly. However, focusing strictly on an account number context may suggest the need for a more varied interaction model where users can review and potentially edit various contact points essential for the account, thus making the Telephone element a key component. The choice for Line Break does not contribute any functional capability for data management and is more layout-oriented, serving only aesthetic purposes rather than data handling.