What Michael said and also:
PowerPoint contains extensive DRAWING tools. Paint contains extensive
PAINTING tools. While there is a great deal of overlap in what can be
done with drawing and painting, they are not the same.
In drawing, you draw objects. These objects can be manipulated in
several ways, including resizing, filling, changing color, moving, etc.
In painting, you paint dots that look like objects. This means that you
can't do things like resizing, filling, changing color, moving etc.
While you can fake some of these things (by using your selection tool or
paint bucket tool), they do not work the same as drawing tools and can
only do those things in limited circumstances (such as when the "shape"
you want to manipulate doesn't overlap another).
On the other hand, painting tools allow you to do other things that
affect the dots (pixels) rather than an entire object. You can, for
example, use the pencil to alter the color of one particular dot on a
shape or the eraser to erase parts of the shape. The airbrush too is one
such tool that affects the appearance of a dot (or area of dots) rather
than the attributes of a shape.
Perhaps, that was more information than you wanted to know.
--David
--
David M. Marcovitz
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.loyola.edu/education/PowerfulPowerPoint/