The designer should focus on exploring feasibility and opportunities for future innovation when engaging technical stakeholders. Feasibility refers to how possible or realistic it is to implement a solution, given the technical constraints or requirements. Opportunities for future innovation refer to the potential or possibilities for creating new or improved solutions, leveraging the latest technologies or trends. Both aspects help foster a collaborative and creative dialogue between the designer and the technical stakeholders, and ensure that the solution is both viable and desirable. References:
https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-prep/engage-