(1) In this Act, unless the context or subject matter otherwise requires -
'action' includes counterclaim and set-off, and in Scotland condescendence and claim and compensation;
'bulk' means a mass or collection of goods of the same kind which -
(a) is contained in a defined space or area; and
(b) is such that any goods in the bulk are interchangeable with any other goods therein of the same number or quantity;
'business' includes a profession and the activities of any government department (including a Northern Ireland department) or local or public authority;
'buyer' means a person who buys or agrees to buy goods;
'contract of sale' includes an agreement to sell as well as a sale;
'credit-broker' means a person acting in the course of a business of credit brokerage carried on by him, that is a business of effecting introductions of individuals desiring to obtain credit -
(a) to persons carrying on any business so far as it relates to the provision of credit, or
(b) to other persons engaged in credit brokerage;
'delivery' means voluntary transfer of possession from one person to another except that in relation to sections 20A and 20B above it includes such appropriation of goods to the contract as results in property in the goods being transferred to the buyer;
'document of title to goods' has the same meaning as it has in the Factors Acts;