Extended Tips in Open Office
(This blog was written for versions of OpenOffice up to Version 3.4.0)
You can enable extended tips for all icons on the tool bars every time your cursor hovers over one of them by choosing Tools > Options. This opens the Options OpenOffice.org - General window > Click on the plus beside OpenOffice.org to open the drop down. Click on General and under Help on the right hand side of the window tick the box for Extended tips and then click OK at the bottom of the window.
You may not want to have extended tips on all the time so follow the procedure above and tick in the box for Tips and then OK at the bottom of the window and the name only of the icon will show when you hover the mouse over the icon.
You can enable an extended help text for every icon just for a limited time. Press the keys Shift and F1 and point the mouse to an icon. You see the extended help text. This mode is valid until you click anywhere else or press the Esc key.