What is the WebSEAL junction?

Could you please elaborate on what exactly is meant by the term "WebSEAL junction"? Is it a specific technology, a service, or a feature of a particular software or platform? Additionally, what are its primary functions and how does it contribute to the overall operation of the system it's a part of? Understanding the context and significance of this term would greatly help in appreciating its role in the world of cryptography and finance.