- APR (Annual Percentage Rate)
- The total yearly cost of borrowing on a credit card, loan or overdraft, expressed as a percentage. Includes interest plus standard fees.
- Bank holiday
- A public holiday in the UK when banks are closed. Affects when payments clear and when bills get taken.
- Budget
- A plan for what you'll do with your money over a set period, usually a month. A working budget tells you what's safe to spend, not just what you spent.
- Carer's Allowance
- A UK benefit for people who care for someone at least 35 hours a week. Worth £81.90/week as of 2025.
- Cashflow
- The movement of money in and out of your accounts. Positive cashflow means more comes in than goes out.
- Child Benefit
- A UK payment for parents and guardians of children under 16 (or under 20 in approved education). Currently £25.60/week for the eldest child.
- Council tax
- A monthly charge collected by local councils to pay for services like rubbish, schools and roads. Based on your property's valuation band.
- Credit score
- A number lenders use to decide whether to lend to you. Higher is better. UK scores come from Experian, Equifax and TransUnion.
- Direct debit
- An automatic payment you authorise a company to take from your account on a set date. The amount can vary.
- ESA (Employment and Support Allowance)
- A UK benefit for people unable to work due to illness or disability.
- Fixed costs
- Outgoings that stay the same each month — rent, mortgage, council tax, broadband.
- Gross income
- Your total earnings before tax, National Insurance and pension are deducted.
- ISA (Individual Savings Account)
- A UK savings or investment account where interest and gains are tax-free. Annual limit is £20,000.
- Minimum payment
- The smallest amount a credit card company will accept each month. Paying only this keeps you in debt for years.
- Net income
- Your take-home pay — what's left after tax, National Insurance and pension contributions.
- Open Banking
- A UK regulation that lets apps read your bank data with permission. Powers most automated budgeting apps.
- Overdraft
- A pre-arranged borrowing facility on a current account. Interest applies when you go below zero.
- PIP (Personal Independence Payment)
- A UK benefit for people aged 16+ with long-term health conditions or disabilities.
- Recurring bill
- A bill that comes out every month or year on a set schedule. Subscriptions, utilities, insurance.
- Safe-to-spend
- What you can spend on non-essentials this month after income, bills and savings are accounted for. The Life Buddy calculates this automatically.
- Sinking fund
- Money you set aside gradually for a known future expense — Christmas, car insurance, holidays.
- Standing order
- An automatic payment you set up for a fixed amount on a fixed date. Unlike direct debit, the amount never changes.
- Sweep
- Automatically moving leftover money from a current account into savings at the end of the month.
- Universal Credit
- A UK benefit replacing six older benefits including JSA, Housing Benefit and Working Tax Credit. Paid monthly.
- Variable costs
- Outgoings that change month to month — groceries, fuel, eating out, entertainment.
- Zero-based budget
- A budget where every pound has a job, so income minus outgoings equals zero. Often heavy maintenance.