Building or part of a building where goods or services are sold. (source: http://www.wordreference.com/definition/shop)

A person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited). (source:

A complex of shops representing merchandisers, with interconnecting walkways enabling visitors to walk from unit to unit, along with a parking area – a modern,

Previously owned or used. (source: www.wordreference.com/es/translation.asp?tranword=second-hand‎)

Selling of objects or clothes previously used or owned

Cyclicality in a business or the economy from one season to the next. (source: http://www.investorwords.com/4415/seasonality.html#ixzz2KF4N0mOZ)

An item catalog with a detailed description of the product, samples or pictures.

The purpose of sampling is to provide various types of statistical information of a qualitative or quantitative nature about the whole by examining a few