Merge clients allow one or more clients to be merged into a selected existing client. This feature deletes all clients from the Clients to merge field and attaches all their links to the client from the Client into which to merge field. This operation is irreversible.
Merge tags deletes all tags from the Tags to merge field and replaces them with a tag from the Tag into which to merge field, which is automatically assigned to all links of the previous tag. This operation is irreversible.