what's the difference between BRANCH and COND in coverage simulation in VCS?

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In VCS userguide, when doing coverage simulation, COND means condition coverage, BRANCH means branch coverage.
As the report shows, COND coverage simulation will underline condition statement like "if (A==0)" and BRANCH coverage simulation will underline branch "QUESTION MARK" in statement like "assign A = （b==0）？1:0".
If so, there is no intrinsic difference between these two parameters, but why the results of these two parameters are different?
 

I think condition coverage is that condition e.g. if (A==0) gets executed or not. Branch coverage deals with "what" gets executed after the condition, it could be that A!=0 then is that case covered? It could be that A==0 then is that case covered or not?

I hope it helps. Seniors please correct me if am wrong.
 

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