Beyond observing that is thorny the interpretation of texts that have long outlived their context of origin, there are to my perception two not-mutually-exclusive approaches possible, a more usual one ...
To what extent, if at all, should we look for one-to-one correlations between parables and real life?
The main theological debate concerning parables is whether or not to interpret them allegorically. To give an example of allegorization, here is Augustine's interpretation of the parable of the good ...
If I were to run into the story of the three little pigs accidentally used as a bookmark in my Bible I might draw these conclusions: Clearly the wolf is the Devil trying to devour sinners who are ...