Multi values field development drupal
Field api is a very useful feature in drupal in terms of extension of entity, reuse of code and modularization of software development.
To me the Field is the way to establish the references between two data block, the entity and the Field, as in drupal Field can have columns, I have yet to see how to establish references between entities without any use of none core modules, using Field can allow us to achieve similar results with just built in drupal core modules.
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