The lending world is a very complex one and your lender is by far the best source for information which is why I always share the names and contact information for several lenders with whom I have worked in the past. It still doesn't hurt to have some idea of what they are talking about when you enter their domain.
Texas Law requires all real estate licensees to give the following information about brokerage services - IABS_Compliant4trecWebsites.pdf. Each office is independently owned and operated.