Accommodation capacity: the grand total of rooms and beds used by travellers in every accommodation facility for a certain period of time.

Accommodation: a place or  a part of a place or a number of certain places in which a group of production factors are working under control and supervision of a single management and accounting unit for the provision of short- stay accommodation for visitors and other travelers as well as providing services and facilities. Accommodations which all people using them are called "public accommodations" and those which are confined to the members of a certain organization are called "private accommodations" Even though the second accommodation of the households, such as apartments and private villas used by the household and family members and their friends are considered as tourism capacities, they are not taken into account as accommodations.

Class of accommodation: under certain regulations accommodations are divided into 5 classes: luxury or 5-star, 4-star, 3-star, 2- star and 1-star and also a group is classified without star (first class, second class and third class) by construction, equipment and installation status and quality of services offered .

Commercial establishment: a part of a  place or a number of places in which a group of production factors is engaged  in purchase and sale of goods (wholesale, retail trade) and provision of depended services under single accounting and management unit . Establishments engaged in repair of motor vehicles, personal and household goods, preparing and rendering food and beverages, providing services and facilities for short stay of passengers are known as commercial establishment.

Cooperative unions: refers to combination of at least 7 cooperatives whose field of activities is similar and it is established and registered according to the regulations and the law of cooperative sector.

Cooperatives in operation: refers to a cooperative which is operational and has annual financial performance and produce outputs of goods or renders some services.

Establishment serving foods and beverages: a certain fixed place where a collection of capital and labour force are employed for serving foods and beverages.

Exports: refers to sales, barter, or gifts or grants, of goods and services from a country to another one after customs clearance and observance of other regulations.

Imports: refers to sales, barter or gifts or grants of goods and services from a country to another one after customs clearance and observance of other regulations.

Legal reserves of rural cooperative unions: twenty percent of the annual revenues of rural cooperative companies and unions are considered as indivisible legal reserves.

Rent: lease or tenancy agreement according to which the tenant gets the right of ownership over the property for a certain period of time.

Retail trade: the resale (without change) of  new or used  goods in small quantities to the public for personal or household use in shops, department stores, booths, by post, vendors, street-vendors, consumer cooperatives, sale halls, etc.

Revocable transactions: any contract in which an immovable property is left with the creditor as a property in pawn for satisfactory fulfillment of liabilities so that the creditor may make up for damages from the property under legal conditions in case the debtor ignores his liabilities.

Surety bond: responsibility for someone else's performance of an undertaking.

Wholesale:  the reselling (without change)   of working as agents or brokers to  sell or purchase commercial articles for such persons or companies.