"trade description" means any description, statement or other indication, direct or indirect,-

(i) as to the number, quantity, measure, guage or weight of any goods; or

(ii) as to the standard of quality of any goods or services according to a classification commonly used or recognised in the trade; or

(iii) as to fitness for the purpose, strength, performance or behaviour of any goods, being "drug" as defined in the Drugs and Cosmetics Act, 1940,