In Salesforce we can easily create new records into objects by using the Create New drop-down list on the sidebar of any page in Salesforce.
also we can create record by selecting any object and click new button to create records.
Once you enter all the required details in the record fields click save. When you share records with other users, you can assign them different levels of access to the records.The available access levels are:
|Full Access||User can view, edit, delete, and transfer the record. User can also extend sharing access to other users; however, the user cannot grant Full Access to other users.|
|Read/Write||User can view and edit the record, and add associated records, notes, and attachments to it.|
|Read Only||User can view the record, and add associated records to it. They cannot edit the record or add notes or attachments.|
|Private||User cannot access the record in any way.|
You can also grant wider access to data using sharing rule. To do this go to sharing setting from setup and click new from object sharing rule example click new from “Account Sharing Rules” then setup and save.
Also you can do manual sharing of records by clicking the sharing button from records.
NOTE: If you encounter an error when selecting the Full Access option, you no longer have the permission to set full access on records. Contact your administrator to determine if this access is necessary.
This training information is very useful to learn about record creation and its security levels in salesforce.