Talking to users is one of the most essential parts of building the right product for them. What are you nailing? What should be improved? Centralizing all the precious user insights you get from talking to users allows your team to focus on how to improve the product for your users.
Software design documents explain how a specific piece of software or software feature should be developed. They're important technical documents that focus on the how of the development process.
Technical documentation
A technical documentation document is a document that describes product information and detailed data about the handling, functionality and use.
Software documentation
Software Documentation is a document used in project management and software development that helps users understand and learn to use a software tool.