None of those four words means the same thing.

In fact, confusing them is one of the main reasons so many people underprice themselves, undersell their offer, or make poor buying decisions.

Price is the number.
It is the figure on the invoice, the ticket, the proposal or the label.

Cost is what it takes to get the result.
Not just in money, but in time, effort, stress, risk and energy.

Value is the benefit delivered.
It is the practical outcome, the improvement, the utility, the result.

Worth is the meaning attached to that result.
It is personal, emotional and psychological. It is what the purchase represents to the individual.

This distinction matters more than most people realise.

A suit might cost £3,000. That is the price.
The fittings, travel, time and decision-making are the cost.
The quality, durability and fit are the value.
The confidence, identity and feeling it creates are the worth.

That final layer is where most buying decisions are truly made.

People do not just buy what something does. They buy what it means. They buy how it makes them feel. They buy the story it helps them tell themselves and others.

The businesses that understand this stop trying to win on price alone.

They start building around worth.