Custom objects are database tables that allow you to store data that's specific to your organization in Salesforce.com. You can use custom objects to extend the Salesforce functionality or build a new application functionality.
Note
You can create up to 200 custom objects in the Enterprise Edition and 2000 in the Unlimited Edition.
Once you have created a custom object, you can create a custom tab, custom-related lists, reports, and dashboards for users to interact with the custom object data.
To create a custom object, navigate to Setup | Create | Objects. Now, click on New Custom Object, or click on Edit to modify an existing custom object. The following screenshot shows you the resulting screen:
On the Custom Object Definition Edit page, you can enter the following: