Metadata means data about data.
In wordpress, metadata refers to the data about each blog post. Metadata of each blog post includes:
The author name
The category/categories to which the post is assigned
The date and time of the post
The comments link and the number of comments
Subscribe to Comments by Mark Jaquith: This plugin allow your visitors subcribe to individual posts of you blog, allowing them to receive notification via email whenever someone leaves a new comment on the post.
ShareThis by Alex King: ShareThis allows visitors to share content through email and popular social bookmarking services such as Technorati, del.icio.us, and [...]
