Content for Multisite Features

As a visitor I want to experience features for that area.

AC: At least one feature per example is given for:

Manage multi-site installations efficiently. TYPO3’s page tree structure, data model, and granular user access permissions ensure high-performance multi-site installations.
Use a single login to manage all your websites.
Easily configure editor roles across multiple websites.
Well-suited for large corporations where product names, palettes, and legal requirements vary from country to country.
Central content and brand strategy administration and control.
A link is set from https://typo3.org/cms/features/massively-multisite-multilingual to https://typo3.org/cms/features/massively-multisite-multilingual/features-for-massively-multisite-multilingual