Interview question:Abt interaction between 2 methods

Was asked :

How methods u call in suiteA>Test1 in a data driven framework interact with one another?

[b:127sxi70]Example[/b:127sxi70] :Login test & respective calls are as follows:

openBrowser(col4);
Boolean LoginRes=DoLogin(col1,col2);
Evaluate(LoginRes);
CloseBrowser();

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Interviewer asked me ,how these 2 methods interacted with eachother ?
Boolean LoginRes=DoLogin(col1,col2);
Evaluate(LoginRes);