Loosely coupled table resolve the prob of circular reference

[#1]

Hi,

Can any one explain in detail about the below statement with an example

"Loosely coupled tanle resolve the prob of circular reference "

BR,
Avinash

[#2]

Actually i am lokking an explanation for this

"To avoid circular references, QlikView will set one or more tables to be loosely coupled"

So what exactly is happening in Qlikview after it is going to set one or more tables to be loosely coupled?