In this type of contract, the elements are not specifically written or expressed. In fact, this type of contract is used as a remedy in a situation when one party to the quasi-agreement received unjust enrichment resulting from not paying for a product or service rendered.
A Drupe is a single fleshy fruit with a hard stone which contains the single seed. This is a Cherry (Prunus avium). Other fruits of this type are: Apricot (Prunus armeniaca), Plum (Prunus x domestica), Coconut (Cocos nucifera), Olive (Olea europaea), Peach (Prunus persica), Sloe (Prunus spinosa).
Some fruits and seeds that do not meet the botanical definition but are nuts in the culinary sense are: 1  Almonds are the edible seeds of drupe fruits â the leathery flesh is removed at harvest. 2  Brazil nut is the seed from a capsule.  Candlenut (used for oil) is a seed.