Field Service Lightning
Field Service Lightning connects your workforce to deliver intelligent and productive on-site service.
It has three main parts that work together to give you a complete field service management solution.
1. Core Field Service Lightning features
2. Scheduling and optimization from a managed package
3. A mobile app for your mobile workforce
Salesforce DX is a Salesforce product that allows users to develop and manage Salesforce apps throughout the entire platform in a more direct and efficient way. It introduces a new type of Salesforce environment in Scratch orgs. These are orgs consisting of Salesforce code or metadata that can be easily created or destroyed, helping to speed up the standard development workflow.