olemus
(1) DNS:
ametlik esmane hostinimi, erinevalt pseudonüümist, mille saab lisada DNS andmebaasi kirjega CNAME
= the actual name of a resource, not alias
https://www.websense.com/content/support/library/email/hosted/admin_guide/DNS_records.aspx
(2) Java:
üheselt klassi identifitseeriv nimi impordilauses
= the class name along with the package name, the name that would be used in an import statement
https://codemia.io/knowledge-hub/path/what_is_the_difference_between_canonical_name_simple_name_and_class_name_in_java_class