# The Business Glossary

> 43 terms from the Banking & Lending book's The Business part, each defined in a line and linked to the chapter that explains it.

- **Account:** one deposit, loan or line contract with one institution, under one product version and in at most one program ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Account party:** a party's role on an account (owner, joint owner, authorized signer, beneficiary, guarantor, co-borrower), effective-dated, deciding insurance, authority and liability ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Available balance:** ledger balance less open holds, plus any funds the institution makes available early; what the customer can spend now ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Balance snapshot:** an account's ledger, available and collected balances frozen for one business date, which statements, interest and overdraft decisions read ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Case:** a dispute, error claim, fraud claim, legal process, complaint or investigation, with the time notice arrived, the rule's deadline and the outcome ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Collected balance:** the part of an account's balance that has actually cleared ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Community bank:** the FDIC's category for smaller, relationship-focused banks; 3,818 of 4,238 insured institutions at June 30, 2026 ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#banks-by-size)).
- **Credit decision:** the record of an approval, counteroffer or decline with its frozen inputs, policy and model versions, outcome and principal reasons ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Credit union:** a member-owned cooperative depository chartered by NCUA or a state and insured by the NCUSIF; 4,214 federally insured at June 30, 2026 ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#credit-unions)).
- **Deposit beta:** the share of a change in the policy rate that a bank passes on to its depositors' rates ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-spread)).
- **Disclosure:** a record of what was shown or sent to a customer: the template version, the rendered document, the channel, the time and the E-SIGN consent relied on ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Exempt issuer:** a debit card issuer with less than $10 billion in assets with its affiliates, outside Regulation II's interchange cap ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#interchange)).
- **FDIC certificate number:** the FDIC's identifier for an insured institution, the key to its public data ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#how-to-build-it)).
- **Field of membership:** the definition of who may join a credit union, checked as an account opening rule ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#credit-unions)).
- **Gain on sale:** the difference between what an investor pays for a loan and its cost to originate, booked when the loan is sold ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#gain-on-sale)).
- **GL account:** an account in the institution's chart of accounts, with its type, normal side and call report line ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Hold (deposit account):** an amount set aside from an account's available balance without changing its ledger balance, for a card authorization, deposit availability, legal process, fraud or collateral, with an expiry ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-life-of-a-deposit)).
- **Independent mortgage company:** a nonbank mortgage lender; 63.1% of home-purchase loans in 2023 HMDA data ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#nonbank-lenders)).
- **Institution:** a bank or credit union, with its charter type, primary regulator, FDIC certificate or NCUA charter number and RSSD ID ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Institution event:** a dated merger, acquisition, failure, charter conversion, name change or core conversion, with the routing numbers it moved and its source ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#how-to-build-it)).
- **Interchange:** the fee the acquirer pays the issuer on every card transaction, set by the networks' tables ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#interchange)).
- **Interest accrual:** a day's interest on an account, computed at full precision before it posts as a journal entry ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Journal entry:** one balanced money movement in the institution's books, with lines that sum to zero, a business date, a source and an idempotency key ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Ledger balance:** the sum of an account's posted transactions ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Line:** an account with a limit the customer can draw and repay, such as a credit card, a HELOC or a business line of credit ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#who-s-who)).
- **Loan:** the lending terms that extend a loan or line account: principal, rate, term, amortization method, owner and servicer ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Middleware (BaaS platform):** software between fintech programs and banks that provides accounts, cards, payments and a subledger as an API ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#who-s-who)).
- **Mortgage servicing right (MSR):** the right to service a mortgage and collect its servicing fee, an asset that can be bought and sold ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#servicing)).
- **Neobank:** a consumer fintech offering bank accounts in its own brand, either as a program manager on sponsor banks or with its own charter ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#neobanks)).
- **Net interest income:** interest earned on loans and securities less interest paid on deposits and borrowings ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-spread)).
- **Net interest margin (NIM):** net interest income over average earning assets; 3.32% for FDIC-insured institutions in the second quarter of 2026 ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-spread)).
- **Ownership category:** the FDIC's classification of how a deposit is held (single, joint, retirement, trust, employee benefit, business, government), each insured separately ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-life-of-a-deposit)).
- **Party:** a person or business, independent of any account ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Party identity:** a verified identifier for a party, with the method, the vendor's result and when it was verified ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Product version:** one immutable set of a product's rates, fees, limits and terms; an account stays on its version until moved with notice ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).
- **Program:** a fintech's product on an institution's charter, with its program manager, any middleware and its product scope ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#who-s-who)).
- **Program manager (banking program):** the company that designs, markets and services a deposit, card or lending product on a sponsor bank's charter ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#who-s-who)).
- **Regulation II:** the Federal Reserve's rule capping debit interchange for issuers of $10 billion or more at 21 cents plus 0.05% plus a fraud-prevention adjustment of up to 1 cent; its 21-cent standard was held invalid by the Eighth Circuit on October 26, 2026, pending the mandate ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#interchange)).
- **RSSD ID:** the Federal Reserve's identifier for a financial institution, used across its releases and structure data ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#how-to-build-it)).
- **Servicer:** the company that bills, collects and reports a loan, which may not own it ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#servicing)).
- **Sponsor bank (deposits and lending):** a bank that holds the accounts and issues the cards and loans of a fintech program, and carries the program's regulatory obligations ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#sponsor-banks-and-baas)).
- **Technology provider:** a core, digital banking, origination, card processing or BaaS vendor, recorded with which institutions run it and when ([The Banking Landscape](https://www.syntaqx.com/books/banking-and-lending/banking-landscape#how-to-build-it)).
- **Transaction:** the customer-visible activity row on an account, linked to the journal entry that is its double-entry truth ([The Banking & Lending Business](https://www.syntaqx.com/books/banking-and-lending/banking-business#the-core-data-model)).

---

Canonical URL: https://www.syntaqx.com/books/banking-and-lending/glossary/the-business