What is the difference between static NAT and dynamic NAT?

Static NAT maps one$-$to$-$one, and dynamic NAT maps one$-$to$-$many.

Static NAT maps one$-$to$-$many, and dynamic NAT maps many$-$to$-$one.

Static NAT maps one$-$to$-$one, and dynamic NAT maps many$-$to$-$many.

Static NAT maps many$-$to$-$one, and dynamic NAT maps many$-$to$-$many.