An administrator Creates a custom text area field on the Account object and adds it to the service team's page layout. The services team manager…

The highlights panel at the top of a Lightning record page displays key fields for quick reference. The content of this panel is controlled by an object's compact layout, not the standard page layout. To add the new custom field to the highlights panel, the administrator must create a new compact layout (or edit an existing one), add the desired field to the list of selected fields, and then assign this compact layout as the primary one for the object or for specific user profiles.

A. Page layouts control the fields and sections within the "Details" tab of a record page, not the highlights panel component.

C. The page layout editor does not allow fields to be dragged directly into the highlights panel; this component is configured separately.

D. Making a field required or changing its position on the page layout only affects the "Details" section, not the highlights panel.

1. Salesforce Help, "Compact Layouts": "In Lightning Experience, a compact layout determines which fields appear in the record’s highlights panel along with other key record information." This document explicitly links compact layouts to the highlights panel.

2. Salesforce Help, "Customize Record Highlights with Compact Layouts": "You can customize a record’s highlights panel in Lightning Experience so that your users see the information that’s most important to them. You do this with compact layouts." This guide provides the step-by-step process for the required task.

3. Trailhead, "Lightning App Builder" Module, "Customize a Record Page" Unit: This module explains the different components of a Lightning record page. It clarifies that the Highlights Panel component "shows key fields from the record" and that its content is "derived from the compact layout assigned to the object."