Salesforce metadata refers to the configurations, code, automation logic, and page layouts that define how objects behave. Metadata is essentially data about data, and it enables users to customize features in Salesforce. Salesforce metadata can be classified into different types based on the problem they address and the way they enable users to customize a feature in Salesforce. Some of the metadata types include:

• Data: This is the most fundamental and significant feature of Salesforce. Virtually every business process in Salesforce is carried out with the aid of various data sets and structures.

• Programmability: This metadata type enables businesses to create apps whose functionality can be customized to meet their unique requirements.

• Custom Metadata Types: Custom metadata is customizable, deployable, packageable, and upgradeable application metadata. It allows users to build dynamic applications using Apex on the Salesforce Platform and also enables them to have more control over the execution of their code.

Salesforce metadata API enables users to access some entities and feature settings that they can customize in the user interface. Metadata in Salesforce gives information about an organization, such as the total number and name of workflows, email templates, sObjects, page layouts, etc. .

In summary, metadata in Salesforce is a crucial aspect of the platform that enables users to customize features and build dynamic applications. It includes various types such as data, programmability, and custom metadata types.