Point of no return and Payoff

Point of no return noun - A line that when crossed permits of no return and typically results in irrevocable commitment.

Payoff and point of no return are semantically related. In some cases you can use "Payoff" instead a noun phrase "Point of no return".

Payoff noun - The amount of money left when expenses are subtracted from the total amount received.

Point of no return and payoff are semantically related. Sometimes you can use "Point of no return" instead a noun "Payoff".