Pick a modern, broad, or legacy support target, and the tool outputs the matching browserslist query string for your package.json or .browserslistrc.
Tools like Autoprefixer, Babel, and PostCSS read your browserslist target to decide which vendor prefixes and polyfills to include in the build.
Yes, as a starting point — adjust the values to match your actual project structure and tooling versions.
It follows the tool's documented format, but always run your build once after adding it to confirm your specific setup is happy.