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Note that the left pane changed. The "User login" block disappeared, the Navigation block moved up, and the title of the Navigation block changed to my user name "holger". The "Content" menu expanded, and showed one item "Create content".
The software running on the holgerdanske.com web site (Drupal) uses the term "content" for the various kinds of things that you can create on the web site interactively using your web browser. The power of Drupal is that the site administrator can set up taxonomies for categorizing content, you can tag your content using one or more terms from the available taxonomies, and Drupal automatically generates indexes and menus so that people can find what they're looking for across the whole web site.
The "Create content" page had two choices available when I wrote this tutorial -- web pages and stories. Both types of content are built from the same elements, such as text, formatting commands, links, pictures, etc., but there are key differences in how the two types of content are presented to, and used by, web site visitors and registered users:
This brought me to the "Submit Page" page. The first decision is to come up with a title for your web page. Understand that nothing is cast in stone; you can always come back later and change things. (I will be creating a page editing tutorial.)
There was one taxonomy available when I created the page called "Subject Index", which included eight terms. I selected the "Home Pages" term. This taxonomy is configured to allow zero, one, or multiple choices. The key is picking the right terms, or else Drupal's indexing won't be of much use when someone wants to find this web page. Of course, this is predicated upon having well-designed taxonomies with good terms choose from... I plan to set up an holgerdanske.com Taxonomy forum for discussing this meta-problem.
This is the main edit box for composing the body of the web page. Drupal provides some hints underneath. The simplest approach is to just start typing. Drupal will find the paragraph endings and automatically flow the text for line width. If you know HTML, you can use a subset of the HTML tags. Drupal recognizes web (URL's) and e-mail addresses automatically, so you don't have to do anything special with them.
There is a "Log message" box where you can put notes of why you're changing the page. holgerdanske.com is configured to keep permanent copies of the page whenever it is submitted (e.g. revisions), and this box is where you put clues that may help someone in the future (likely yourself) figure out why you changed the page.
Typically, the teaser is shown first, then the entire page, and then the various editing fields. This page was short enough that the whole thing fit within the teaser, so page was displayed only once.
Note the message "Your Page has been created".
Also note that the browser Address bar now shows "http://www.holgerdanske.com/node/16". Drupal gives every content object a serial number, starting at one and increasing by one as each new item is created. So, this page was the sixteenth item created at the time.
Also note that the Navigation block has changed -- the Content menu has collapsed and the Subject Index menu has expanded. This is how people (and search engines) can find the page.
Drupal shows the teasers of all content indexed with the term "Home Pages", newest at the top.