Adding access to QuickHelp in your SharePoint environment creates another access point for your users, as well as creates the opportunity to drive traffic to your SharePoint environment.

Attached is sample HTML code. It is not meant to be comprehensive, but will provide an idea of what can be accomplished. It can be edited by your SharePoint/Web team to make it on-brand and as engaging as possible. 

Since it is HTML, it can be not only added to SharePoint, but to any HTML-based access point you may have.