Select the most appropriate meaning of the given idiom.

Wheels withing wheels

Complication

The most appropriate meaning of the idiom "wheels within wheels" is complication. This idiom means that there are many different factors or influences at work in a situation, making it difficult to understand or predict what will happen. It can also be used to describe a situation that is very complicated or difficult to manage.

The other options are not as accurate or appropriate. Almost, to be nearly means very close to something but not quite. A true position of affairs means the real state of things. To receive cordially means to welcome someone with warmth and friendliness.