what does it mean to wrap and when is it neccesary?

Question

Pre-wrap value behaves as the pre value, except that it adds extra line breaks to prevent the text breaking out of the element's box. Can I get an example?

Answer 1

You can wrap some elements in order to ease working with them. For example you have 5 items <li> and you need to position them, so it is easily to wrap them and position regardly wrapper than position each element