Labels, tags, keywords

What are Labels?
See my recent post on Oops! I forgot the tags!
In the lower right hand corner of the post text area, is a text box for Labels.
Labels are like website metatags.
So what are Labels and what are tags?
Labels and metatags are used by search engines that use keyword search as a way to find out what they content of your post is about.
This is in the realm of SEO - Search Engine Optimization.

If you are writing on one subject, your posts may have the same Labels (tags, keywords) on each post.

Let's say your topic is Cats. Add cats as a Label to each of your posts.
If one post talks about Whole Foods maintenance cat food which is only $2.49 for a 5 pound bag of great cat food at a bargain price - the best price in town,
then add Labels that include Whole Foods, cat food, bargain, and cat to your Labels. See example by looking at the Labels on this post.

These Labels are keywords, which search engines, web spiders, and other content search enginges use to categorize your post.