To arrange or settle something by mutual agreement.
To succeed in coping with, or getting over something.
To transfer to another person with all the rights of the original holder; to pass, as a bill.
To confer with others in order to come to terms or reach an agreement.
To sort or arrange beforehand.
To order (goods or services) in advance, before they are available.
A binary relation that is reflexive and transitive.
An order for goods or services placed in advance.
Such that, recursively, the root is visited before the left and right subtrees.