| A | B |
| multifilament | yarns made from a group of filaments |
| worsted yarns | wool yarns that are made from longer fibers |
| staple | fibers that are short |
| twill | denim is an example of this weave |
| pills | tiny balls of fiber that appear in places of wear such as elbows and cuffs |
| ply | yarn made by twisting two or more single yarns together |
| felt | fabric made from short wool fibers that have had heat, moisture, and pressure applied to them |
| virgin wool | wool fabric that has never been used |
| weaving | the process of interlacing yarns at right angles to each other |
| yarn | Formed when fibers are put together to form a continuous strand |
| monofilament | yarns made from a single filament |
| filament | a continious strand of long fibers |
| cord | yarn created by twisting two ply yarns together |