Reading

Those settings show, how your site unfolds.

• Dynamic: with your latest post
• Static: with a fixed page
  

The menu looks as follows:

What can you set here?

• dynamic (1) or static
  
• The number of showed posts and feed (2)
• What is shown in feed (3)

Once done, just save changes (4)

Note:

Some themes add their own options.

You can also discourage search engines to crawl your site (not an option for seo)