A contraction stress test is a test performed during pregnancy to verify whether or not the unborn babyâs heart is strong enough to withstand labor. It uses drugs or nipple stimulation to make the uterus temporarily contract in order to replicate labor contractions.
Graphical user interface. A graphical user interface (or GUI, often pronounced gooey), is a particular case of user interface for interacting with a computer which employs graphical images and widgets in addition to text to represent the information and actions available to the user.
In humanâcomputer interaction, WIMP stands for  windows, icons, menus, pointer , denoting a style of interaction using these elements of the user interface. It was coined by Merzouga Wilberts in 1980.hough the term has fallen into disuse, some use it incorrectly as an approximate synonym for graphical user interface (GUI) . Any interface that uses graphics can be called a GUI, and WIMP systems derive from such systems.