User interviews aim to get direct feedback from users. They’re an opportunity for UX researchers to ask questions to understand user preferences about a particular product or feature.
User flows are diagrams of how a typical user interacts with a product or application. User flows are the responsibility of the product manager and UX designer.
UI and UX may seem like interchangeable terms, but they actually denote separate parts of a product’s design. This guide will help you distinguish them.