The dashboard is the WordPress administration page that you can access after logging in.
Wall – displayed information
The bulletin board provides an overview of recent activities on your site. You’ll also find a shortcut to create a new article and information about WordPress events in your area.
If you use the Akismet plugin, you will also find the number of SPAM comments waiting to be checked. Some other plugins also display information on the bulletin board. For example, if you have WooCommerce installed, you will find an overview of sales, orders, low-stock products, and so on.