Intra B Commerce refers to business transactions that take place between people within the same firm. This type of commerce may involve recruitment, selection, and training of employees. Intra B Commerce is a part of e-business, which has four key directions: Business-to-Business (B2B) Commerce, Business-to-Consumer (B2C) Commerce, Consumer-to-Consumer (C2C) Commerce, and Intra-Business (Intra B) Commerce.