What is the difference between hard return and soft return? A hard return is when the user hits the return or enter key to bring subsequent text onto a new line. If you keep typing until the text reaches the end of the line and it star â¦ ts on a new line itself automatically, that is a soft return.
Definition of litmus. 1  1 : a coloring matter from lichens that turns red in acid solutions and blue in alkaline solutions and is used as an acid-base indicator. 2  2 : the critical factor in a litmus test; also : litmus test.
A litmus test means that you one overriding issue (abortion, for example) and you judge all candidates by their position on that one issue. The phrase litmus test actually comes from the world of chemistry. Litmus paper is used to determine if a liquid is acidic, alkaline, or neutral.