| A | B |
| Notches | Diamond shapes used to match fabric pieces together |
| Raw Edge | The edge of the material that "unravels" |
| Seam | Two pieces of fabric sewn together form this. |
| Selvage | Perfect edge of fabric that will never unravel |
| Layout | The arrangement of pattern piece put on fabric and pinned down before you cut it. |
| Casing | Material edge, folded and sewn closing to form a holder for elastic or cords. |
| Trim | To cut away the unneeded fabric on a seam allowance. |
| Pins | Used to hold material or patterns onto fabric. |
| Pattern | Formal paper pieces used to cut into shaped pieces needed for a project. |
| Grainline | Long arrowed line on pattern piece used to align with selvage to be straight during layout. |
| Right Side | Highly colored side of fabric |
| Wrong Side | Dull side of fabric |
| Seam Allowance | Using the 15 line all through a project, keeping it consistent. |
| Hem | The folded bottom edge of pants, shorts, sleeves or skirts to "seal" the raw edge. |
| Pinking Shears | Used to remove half of the seam allowance, making them neat, keep them from unravelling. |
| Seam Ripper | Tool used to remove sewing mistakes. |
| Needle | Whether by hand or machine, this is what does the "sewing" |
| Inner Seams | The lines of sewing that run along your inner thigh. |
| Center Seam | The seam that runs down from your belly button, into the crotch and up your rear end to your lower back. Joins your two legs together! |
| Side Seam | The lines of sewing that run down from your waist to your outer thigh, knee or ankle (depending on what your wearing!) |