The Invoices tab in the Client Profile allows you to view and manage all of the client's invoices.
The Quotes tab in the Client Profile lists the client's existing quotes and allows you to edit them or create a new quote.
The Transactions tab in the Client Profile lists statistics on the client's transactions with options to create or manage individual transactions.
The Tickets tab in the Client Profile lists all of a client's support ticket history.
The Emails tab in the Client Profile lists the emails that WHMCS has sent to that client.
The Notes tab in the Client Profile allows you to enter private notes about a client.
The Log tab in the Client Profile lists entries from the Activity Logs that relate to the client.