Why is it important to use proper line types

Because then the line is proper as opposed to if the line is improper. If the line is improper, then it has no manners and you can't invite it to dinner with your family because it will be rude and your mother would be offended.

There is a little paper clip at the bottom of your screen and then you click then you pick the picture you want

Key terms- a word that serves as the meaning of another wordi hope this !