"New Inkscape users are sometimes frustrated when they search the manual (or forums) for how to draw a line, and can't find instructions. That's because "line" is a bit of a nebulous term, at least in Inkscape....although in some ways it can be confusing in any vector graphics program. What we generally think of as a line, is called a path, in Inkscape. But it's not just a matter of terminology."
Read on to learn the basics!