A model or type of machinery or device which precedes the current (or later) one. Usually used to describe an earlier, outdated model.
One who precedes; one who has preceded another in any state, position, office, etc.; one whom another follows or comes after, in any office or position.
A vertex having a directed path to another vertex
An original form or object which is a basis for other forms or objects (particularly manufactured items), or for its generalizations and models.
An early sample or model built to test a concept or process.
A type of race car, a racing sports car not based on a production car. A 4-wheeled cockpit-seating car built especially for racing on sports car circuits, that does not use the silhouette related to a consumer road car.
An instance of a category or a concept that combines its most representative attributes.
A declaration of a function that specifies the name, return type, and parameters, but none of the body or actual code.
To create a prototype of.