Salesforce developer accounts are free personal accounts provided by Salesforce for its developers for creating custom apps and testing them on the Salesforce platform. A Developer account provides access to numerous Salesforce features and tools for development, a sandbox environment, and the Salesforce API.
Salesforce provides various standard fields for each Salesforce objects. In every business, they use common standard fields like firstname, lastname, company name, date, amount, status, account, etc. But sometimes standard fields aren’t enough to cover the all the important information of the record. To fulfill this requirement, we use custom fields.
Lightning components are reusable components that are created using the combination of HTML, JavaScript, CSS and are designed for being used in the Lightning Experience and Salesforce mobile apps. Because of its reusability, we can use the same lightning component multiple times and in multiple places
