...
(C) Custom Fields
Standard Field:
Name:
The name Name is a standard field in every an object and the field this gets created at the time of the creation of the object, this is cannot be deleted or edited.
Tags:
A tag field on a content type allows content contributors to label the content with keywords (tags) as it the content is contributedUsing this field the user can give a tag to the record of an object from the list of values. Users can create new tags at run time as well.
Standard and Audit fields cannot be edited or deleted.
Audit Field:
Record Id:
A record id can help you identify a record in the database. Each record in the system has a unique id field assigned to it which is known as the record id. It is system generated and cannot be edited or deleted. It is generated every time a new record is inserted into the application.
Object Type:
It is used for dynamic references to retrieve information about an object through object type.
For example, insta__manualTesting: here the records under categorized into Manual testing objects, and the object under categorized into Instance.
Instance:
If you do something at any instance, you do it because they have ordered or requested you to do it. The instance of the operator is used to check whether an object is an instance of a particular class or not.
An instance represents a unique entity in the platform. instance field holds the prefix of the instance.We have a common collection (or object) for all the records created under the custom object. Object type contains the object name (custom object name) for which the particular record is created.
Instance:
This field contains the instance prefix
Owner:
Objects have an owner Id field that is a reference to the user who owns that object. Ownership is an important concept that affects the security model and has other implications throughout the system. Any user can query the owner field for any record they can access.
...