add a column to a list in SharePoint 2010

Add a column:

1. clicking anywhere in a list brings up the "List Tools" tab of the menu ribbon
2. click on the "List" subtab of the "List Tools" tab
3. click "List Settings"
4. click "Create column"

 
 

Move its position:

1. clicking anywhere in a list brings up the "List Tools" tab of the menu ribbon
2. click on the "List" subtab of the "List Tools" tab
3. click "Modify View"
4. In the page that appears, may the change in the "Columns" subsection