Estrus is the stage of the reproductive cycle in which the dog can become pregnant; sometimes a dog that is in estrus is said to be in heat or in season. On average, puberty or sexual maturity is reached at about 6 months of age, but this can vary by breed.
A small scale enterprise is a privately owned and operated business, characterized by a small number of employees and low turnover. A small enterprise usually only shares a tiny segment of the market it operates in.
The agile enterprise is an extension of this concept, referring to an organization that utilizes key principles of complex adaptive systems and complexity science to achieve success. One can say that business agility is the outcome of organizational intelligence.