A typical development process requires building, testing, and staging before releasing to a production environment. During this development cycle, one might migrate many times, either to keep development organizations in sync or to move changes through development organizations toward production and this is what we call Salesforce deployment.
Salesforce deployment is the migration of metadata from one Salesforce organization to another. If you are looking to enhance your Salesforce DevOps (Continuous Integration and Continuous Deployments) practices, this blog could get you started with the basics.
There are number of deployment tools available each having its own pros and cons. Some of them are listed below: