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ashish jadhav 9ashish jadhav 9 

what is deployment? How to do deployment? What is the best practice of deployment?

I'm new to salesforce and listening this word repeatedly from seniors that "Today we have deployment", so what is deployment? How to do it.
Please let me know it from scratch.
Vasani ParthVasani Parth

Deployment means moving the metadata from one organization to another . We deploy this using tools like Change Sets and the Migration Tool and  are the recommended tools for migration. .

How to do deployment ? There is a trailhead module for it that lets you gain step by step knowledge :

Please mark this as the best answer if this helps