Answer :
A loan is an overdraft which is taken by a person from a financial institution usually to settle financial emergencies.
What is a Jargon?
This refers to the technical terms which are specific and peculiar to an area of expertise.
With this in mind, if Sylvester is taking a loan and is confused by the jargon, then he has to ask the person to give proper explanations so that he would have a better understanding.
Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
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