Worldwide remote jobs

That the employer does not limit applicants to a country or region. Many listings say 'remote' but mean 'remote within the US' or 'remote within the EU'; a role is labeled Worldwide here only when the listing names no restriction or says anywhere, global or worldwide.

Often, yes. A role can be open to any country but still ask for a few overlapping hours with a team in Europe or the Americas. The listing usually says so; check before applying.

Usually as contractors invoicing in USD, EUR or GBP, or through an employer-of-record that handles payroll in your country.