To easily move things in Alfresco follow the following steps.
1. For each item (folder or content) you want to move, click on the scissors icon, , below each thumbnail to cut it and add it to the clipboard.
If you do not see the icon, click on the more actions button, ,to reveal a drop down with more actions.
2. After you have clicked the scissors icon for each item you want to move, go to the space you want to move the files to.
3. When you are in the space you want to move the files to, change the sidebar from Navigator to Shelf.
You should now see all of the items you cut and added to the clipboard in the clipboard section. The sidebar should look like the screen shot below.
4. To move all the items to the space, click on the "Paste All" Link.