Governor Limits controls what quantity information or what percentage records you'll be able to store within the shared databases. To make sure no single consumer monopolizes the shared resources, Salesforce introduced the construct of Governor Limits that is strictly enforced by the Apex run-time engine.

Some Governor Limits in Salesforce like:
  • Per-Transaction Apex Limits
  • Platform Apex Limits
  • Static Apex Limits
  • Email Limits
  • Push Notification Limits
BY Best Interview Question ON 24 Mar 2019