Assembly: Microsoft.SharePoint.Taxonomy (in Microsoft.SharePoint.Taxonomy.dll)
A TermStore contains zero or more Group objects, which are used to organize Terms within TermSets. Access the groups through the Groups property.
The TermStore class also provides methods for creating new child Group objects, getting and setting TermStore Administrator permissions on the term store, and checking permissions. Additionally, it provides properties that are used to get and set values of the TermStore object such as the set of working languages, and access to the keyword and orphaned term TermSet objects.
Finally, the TermStore provides the CommitAll() method and the RollbackAll() method to commit or roll back changes to the database These methods are the only way to persist changes to the database when updates are made in child objects such as Group, TermSet, and Term.