How do I set the site title and meta description?

1. Open Content, then Website Settings.
2. Open the SEO tab.
3. Search Engine Optimization is the default title and meta description for the website. A character counter shows how many characters are left. Search preview shows how the result can look.
4. Generate can draft the title and description.
5. Save when the text is right.

This is the site-wide listing. A single blog post has its own Search engine listing inside the post editor.