1. What is the difference between Salesforce Lighting and LWC?

FeatureSalesforce LightningLWC (Lightning Web Components)
PurposeIt is a User interface framework for the Salesforce platform.It is a Programming model used for building custom web components.
Introduced20142019
Based onIt is based on Aura Framework.It is based on Modern web standards (HTML, CSS, and JavaScript).
Key FeaturesIt has Customizable page layouts, drag-and-drop components, and improved navigation.It is a Lightweight and modular approach to building web components.
AudienceSalesforce administrators and developersWeb developers
Use CasesIt improves user experience within the Salesforce platform.It is used for building custom web components for use within Salesforce or other web applications.