Carbon credits can be traded in the international market at their current market price. A permit that allows the holder to emit one ton of carbon dioxide. Credits are awarded to countries or groups that have reduced their green house gases below their emission quota.
For other uses, see Sweet Nothings. Flirting or coquetry is a social and rarely sexual activity involving verbal or written communication as well as body language by one person to another, either to suggest interest in a deeper relationship with the other person, or if done playfully, for amusement.
Courtship states that you pick someone you are interested in marrying and then get to know them, while dating says you get to know someone, and then see if you would like to marry them. So, the difference here is incredibly small, but still present, nonetheless, and deserves some attention.