A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, helpFilled } from '@wordpress/icons';
<Icon icon={helpFilled} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" clip-rule="evenodd" d="M12 4c-4.4 0-8 3.6-8 8s3.6 8 8 8 8-3.6 8-8-3.6-8-8-8Zm.8 12.5h-1.5V15h1.5v1.5Zm2.1-5.6c-.1.5-.4 1.1-.8 1.5-.4.4-.9.7-1.4.8v.8h-1.5v-1.2c0-.6.5-1 .9-1s.7-.2 1-.5c.2-.3.4-.7.4-1 0-.4-.2-.7-.5-1-.3-.3-.6-.4-1-.4s-.8.2-1.1.4c-.3.3-.4.7-.4 1.1H9c0-.6.2-1.1.5-1.6s.7-.9 1.2-1.1c.5-.2 1.1-.3 1.6-.3s1.1.3 1.5.6c.4.3.8.8 1 1.3.2.5.2 1.1.1 1.6Z"></path></svg>
helpFilled – WordPress Icon Library