View builder handler for taxonomy terms. Hierarchy class \Drupal\Core\Entity\

public VocabularyForm::exists($vid)

public static Term::baseFieldDefinitions(EntityTypeInterface $entity_type)

Enables the organization of content into categories. File core/modules/taxonomy/taxonomy.module

TermTranslationHandler::entityFormSave(array $form

public VocabularyListBuilder::buildForm(array $form

public VocabularyStorage::getToplevelTids($vids)

public VocabularyDeleteForm::getQuestion()

protected TermDeleteForm::getDeletionMessage()

public TermStorageInterface::deleteTermHierarchy($tids)