Types encompass a reputation and a mapping and are used by including the _type subject. This field can then be used for filtering when querying a specific kind. Continuing our e-commerce app example, you would have one index containing all the information related to the products and one other with all of the information associated to the shoppers. Detailing and drilling down into every of its nuts and bolts is inconceivable. However, there are some fundamental ideas and terms that all Elasticsearch customers should learn and become acquainted with. The ELK Stack can be put in using a wide range of methods and on a broad selection of different working techniques and environments.