What is the meaning of Productivity?

The state of being productive, fertile, or efficient.

The rate at which goods or services are produced by a standard population of workers; those workers' degree of efficiency.

The rate at which crops are grown on a standard area of land.

The ability to form new words using established patterns and discrete linguistic elements, such as the derivational affixes -ness and -ity; the degree to which such formation happens.

Source: wiktionary.org