Saving means putting money aside in cash, usually in an account that pays interest, where the balance doesn't fall. Investing means buying assets like shares or funds that can grow but can also fall in value. Saving suits short-term goals and money you may need soon; investing is generally for goals more than five years away. They do different jobs, and many people do both.

A dividend is a share of a company's profits paid to the people who own its shares, usually as cash. Not every company pays them, and those that do can reduce or stop them at any time, so they aren't guaranteed. If you invest through a fund, dividends are either paid out to you or reinvested to buy more.

Diversification means spreading your money across different investments rather than putting it all in one place. If some fall, others may hold steady or rise, which smooths out the overall ride. You can spread across companies, industries, countries, and asset types like shares and bonds. Funds do this for you. It lowers risk but doesn't remove it – in a broad market fall, most investments can drop together.

Passive investing tracks a market index, such as the FTSE 100 (the 100 largest UK-listed companies), aiming to match it. Active investing means a fund manager picks investments to try to beat the market. Passive funds usually charge low fees because no one is picking winners; active funds cost more and aim for higher returns. Neither approach can guarantee a better result