The government says it will bring forward legislation as soon as possible.

It means the government will introduce a new law.

Prime Minister Andy Burnham is asking firms to publish salaries voluntarily before the law changes.

It means firms would choose to do this, rather than being required by law.

For now, Burnham is urging firms to publish pay voluntarily while the government prepares the legislation.

It means firms would choose to publish the pay information, not do so because the law requires it.

Why does the government say this could matter to jobseekers and workers?

These are people looking for work.

It also says clearer information could reveal pay differences that are not justified, and help workers challenge discrimination.

Here, it means the differences have no fair or good reason.

It also says clearer information could reveal pay differences that are not justified, and help workers challenge discrimination.

It means to question or oppose unfair treatment of some workers.

Recent research by the Chartered Institute of Personnel and Development, a group focused on work and employment, found that fewer than half of employers always published salary ranges.

These are lower and upper salary figures, rather than one exact amount.

Ministers have not yet set out what employers must publish, which sizes of company would have to comply, or how the rule would be enforced.

Here, it means to follow the new rule.

Ministers have not yet set out what employers must publish, which sizes of company would have to comply, or how the rule would be enforced.

It means made sure that people obey the rule.

The key points are what pay information must appear, which employers are covered, and how the rule will be enforced.

It means made sure that the rule is obeyed.

The Chartered Institute of Personnel and Development says pay is not always one fixed figure.

It means one set amount that does not change.

The key points are what pay information must appear, which employers are covered, and how the rule will be enforced.

Here, it means included under the rule.