There are plenty of questions here about the details and how-to's of "garbled circuits", but I have not seen anything that defines what garbled circuits are.

What exactly is a garbled circuit? What are they intended to be used for? What are their limitations?

The tag for garbled circuits just says that they are used in secure multiparty computation. However, this answer states that they're only appropriate for two-party computation?

This question seeks the definition of a "circuit". What is the difference between a circuit and a garbled circuit?

There are plenty of questions here about the details and how-to's of "garbled circuits", but I have not seen anything that defines what garbled circuits are.

What exactly is a garbled circuit? What are they intended to be used for? What are their limitations?

The tag for garbled circuits just says that they are used in secure multiparty computation. However, this answer states that they're only appropriate for two-party computation?

This question seeks the definition of a "circuit". What is the difference between a circuit and a garbled circuit?