The main purpose of this page is to provide help and explanations on how to use Term Merge module. This module allows you to merge one or more taxonomy terms into another, thus reducing amount of redundant synonymous terms in taxonomy vocabularies.
At some point you may come up with a wish to eliminate a term from your taxonomy vocabulary, however, simply removing such a term may break many relations within your website, such as those created via term reference fields or entity reference fields. Merging a term into another allows to update all links pointing to the first term to be updated to point to the second term before the first one gets deleted. This way relations inside your database stay valid. Here is an example: