* Lightning Web Components (LWC): * Fully responsive and designed to handle touch events. * Executes on stateful clients with high performance. * Aura Components: * Supports responsive designs and touch events but is slightly less efficient than LWC. * Why Not Other Options? * B. Visualforce Components: Not designed for responsiveness or touch event handling. * C. Visualforce Pages: Primarily server-rendered and not stateful for touch interactions. * LWC Overview: https://developer.salesforce.com/docs/component-library/documentation/en/lwc References: