Deciduous. Deciduous means falling off at maturity or tending to fall off, and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe.
A combo box is a text box with a list box attached. This type of control enables users to select a predefined value in a list or type their own value in the text box portion of the control. The list is hidden until the user clicks the arrow next to the box.
All versions of Word and most of the other word processors can open the format 97/XP which is a kind of lingua franca for office documents. The advantage is when you are dealing with anyone who is saving a file as docx, you shouldn't have to convert it to a .doc when you edit their document.