Labels generally reflect the text that is displayed and presented to your users in the user interface and in reports within the Salesforce application.
You can change the display labels of standard tabs, objects, fields, and other related user interface labels so that they reflect your company's terminology and business requirements better. For example, the Accounts tab and object could be changed to Clients; similarly, Opportunities to Deals, and Leads to Prospects. Once changed, the new label is displayed on all the user pages.
The setup pages and setup menu sections cannot be modified and do not include any renamed labels. Here, the standard tab, object, and field reference continue to use the default, original labels. Also, the standard report names and views continue to use the default labels and...