This is the grey area. Microsoft never released an official "Lite" edition.

By removing legacy services and startup items, the system reaches the desktop much quicker. Features Removed/Optimized in Lite Editions

A standard installation takes up around 20 GB of storage. A Lite version can occupy as little as 6 GB to 8 GB, making it ideal for small, older Solid State Drives (SSDs) or CompactFlash cards.