This article is based on a talk I gave to a group of women looking to start their own businesses. Each speaker was asked to cover a certain topic and my task was to summarize common misconceptions about starting and running a business. This list isn't exhaustive in any case but it touches on some important insights that unfairly get omitted when talking about this topic.
Entity reference is a Drupal 7 module that provides a field through which another entity can be referenced. Usually one node of a certain type makes a reference to a node of another type through an Entity reference field. For example the node "iPhone 4" of the type "Product" makes a reference to the node "Apple" of the type "Company" through the Entity reference field "Company name".