[malisa]

A1:It sounds as though it's a 'what's being shown' issue.

If the view bar isn't showing, to make it visible go to View>Show View Bar. Then set the selector (lozenge?) above your sidebar list of contexts to All Contexts. That should show you what's there and you can delete the unnecessary ones by just clicking them and hitting the delete key (or right clicking and choosing Delete). If you delete a context that has something assigned to it, the actions will show up in the 'No Context' box at the top of the list.

A2: You can drag the contexts around in the sidebar to where you want them or if you want them alphabetical you can select them all (or all you want alpha) and go to Edit>Sort>By Name.