The sub panel in the detail view of any module shows that how many other modules are related to that particular module. So creating a relationship amongst two module means adding the sub panel in the detail view of that module. To add sub panel you require to make changes in the following files:
The MetaData [...]

Significant changes have occurred in time, target market and the value prepositions have lead to the evolution of the CRM.

Mass Marketing (One to many interaction):
This business strategy was measured by the market share and relied on pushing the product and creating brand reputation among the masses. Various channels as Television, radio, newspaper and magazines served [...]

According to Peppers and Rogers Methodology, the first stage is to identify the client and understand client behavior with attributes in order to understand their needs, habits and desires. The knowledge gained in this stage is “fed” in the marketing campaigns and business strategies.

The second stage is to start managing the customer relationship by [...]