To close a document, you can use one of these actions:
(i) Click the Close button in the upper right comer of your document window. (or)
(ii) Choose File > Close or Window > Close Window or Press Ctrl + F4.
(iii) If you have more than one document file open, choosing Window > Close All closes all files at once.

1. New - Ctrl + N
2. Open - Ctrl + O
3. Import - Ctrl + I
4. Export - Ctrl + E
5. Print - Ctrl + P

Status bar is the area at the bottom of the document window.
i) It displays information about selected object properties such as type, size, colour, fill type and outline.
ii) The status bar also displays the current mouse position in the document window.

(i) A Docker window is so called because it is generally docked to all right edge of a main window. 
(ii) To open two or more docker windows at a time these windows remain in a tabbed position and you can bring the desired window in front by clicking its tab.

a) Combo box:
(i) Combo (short for combination) is a num box with a clickable selection button for access to preset values.
(ii) You can either a specific value in a combo box by typing or choose a value from the selector.
b) Spinners:
(i) These are similar to combo boxes, in that they can be used to specify values by typing or using mouse actions.
c) Artistic text:
(i) An Artistic text is a type of text to which you can apply special effects, such as shadows.