| Account | Your organisation in the product. It owns sites, people and keys. The code calls it a tenant. |
| Site | One website you translate. |
| Source language | The language your site is written in. |
| Target language | A language you translate into. The source language does not count against your plan. |
| String | One piece of text, such as a sentence, a button label or an image description. |
| Machine translation | A translation made by a translation engine. |
| Reviewed | A machine translation that a person has checked and approved. |
| Manual | A translation a person typed. Machine runs never replace it. |
| Glossary | Your list of words that must not be translated, and words with a preferred translation. |
| Publish | Build the translation files and send them to your site and the CDNs. |
| Bundle | The files for one published version of one site: a manifest and one file per language. |
| Manifest | A small signed file that lists the languages and files of a bundle. |
| Loader | The small script that puts the translations into the page in the visitor's browser. |
| Site key | A public identifier, rl_site_.... Safe to put in a page. |
| Secret API key | A private credential, rl_sec_..., for servers, plugins and the CLI. Never put it in a page. |
| Licence key | A key, rl_lic_..., that ties a WordPress site to your plan. |
| Allowance | The number of AI words your plan includes. |
| Control plane | Our dashboard, API and engines. It can go offline. |
| Delivery plane | The static files on your site and on the CDNs. They keep working. |