This screencast is part 13 (13/15) of the Learn Drupal 7 with NodeOne screencast series, discussing taxonomy, vocabularies and terms.
-How do tags work?
-Taxonomy term lists.
-Creating new taxonomy terms.
-Managing taxonomy terms in hierarchical (tree) structures.
-Creating taxonomy vocabularies to group taxonomy terms.
-Using taxonomy terms on nodes/content.
-Using taxonomy terms with free tagging, select lists or radio/check buttons.