Salesforce Cloud is based on a software company providing its customers with a platform to build their applications without following the tedious steps in a legacy system. Once developed, the software is uploaded to the cloud and can be viewed by end users. To understand Salesforce concepts in-depth, join a FITA Academy, get trained under professional trainers, and acquire Salesforce knowledge.  
Also check:
https://www.fita.in/salesforce-training-in-madurai/
https://www.fita.in/salesforce-training-in-pondicherry/
https://www.fita.in/salesforce-training-in-coimbatore/