Try one of these articles:
- What is the Accessibility Service Indicator? This article describes the implications of allowing or restricting access to accessibility services and its effect on performance.
- Control Center - manage site privacy and security controls The Control Center in Firefox lets you manage site security and privacy settings in one place.
- Does Firefox share my location with websites? Understand what information Firefox sends to web sites about your location and learn how to use and manage location-aware features of your browser.
- How is Facebook Container different from Multi-account Containers? The difference between Facebook Container and Multi-Account Containers