An activity with restricted access.
A sweet spread made of any of a variety of fruits.
A reservation, a nature preserve.
To save from decay by the use of some preservative substance, such as sugar or salt; to season and prepare (fruits, meat, etc.) for storage.
To maintain throughout; to keep intact.
To protect; to keep from harm or injury.
The measured magnitude of a variable.
random variable
A variable, often the set of x values plotted on a graph.
A measurable quantity capable of taking on a number of values.
To alter; to vary; to make or become different.