Salesforce Development: How to use Custom Settings to Bypass Your Triggers in Production – Coding With The Force
What is Custom Settings in Salesforce? - Blog | saasguru
Use Hierarchy custom settings to avoid hard coding in formula field, custom button, process builder or workflow rules – Home
What is Custom Setting in Salesforce
Custom Setting and Custom Metadata Type - SalesforceCodex
customsetting - Is that possible to change the custom setting "visibility" from protected to public once after it is created? - Salesforce Stack Exchange