To display the record counter of a specific Module, you need to insert the following details:
Title: Insert the relevant Counter Title. i.e., Total Cases, In Progress Cases. 
Select Module: Select the module from the list. i.e., Account, Case, Attachment, Contract, Call, Order.
Select Field: As per the Module selection, the Fields will be fetched.
Select Field Value: Select the field value of the Module that you want to display on the counter.
Icon Class: By clicking on the Pick an Icon button, you will get the icon picker list. Pick a relevant icon.
Enable reCAPTCHA: If you have enabled the reCAPTCHA, you will get the “Enable reCAPTCHA” option in the widget. By enabling the reCAPTCHA, the page will be protected from spam when the portal users navigate to the page. 
Design Layout: You will get the 5- predefined Design Layouts (Style). Select any design layout to display in the customer portal. 
By clicking on the Design, you will get a preview of it.