The term skald (or skáld) meaning ‘poet’, is generally used for poets who composed at the courts of Scandinavian and Icelandic leaders during the Viking Age and Middle Ages. Skaldic poetry forms one of two main groupings of Old Norse poetry, the other being the anonymous Eddic poetry. The most prevalent metre of skaldic poetry is dróttkvætt... Found on http://en.wikipedia.org/wiki/Skald
(from the article `skaldic poetry`) Skalds were identified by name; their poems were descriptive and subjective; their metres were strictly syllabic instead of free and variable; and ... Found on http://www.britannica.com/eb/a-z/s/104