Understanding sewing terms (you may know it as a sew meaning or stitches meaning) so you can produce your lingerie by a factory. Or you may simply want to understand how you want to sew up your lingerie.
The "How to write a Bra and Brief Tech Pack" covers the descriptions of the common sewing procedures.
So for example SN is single needle which is your regular straight stitch. Securing OL : overlocking is usually done by a Bra tack (a group of closely sewn stitching - sewn back and forth from side to side with a zigzag stitch). Below covers: Bartacking, Butting, Edge stitch, Double needle top stitching, Flat felled seam, Fluted overlock, Zig zag, Overlock, Pin tuck, Rouching, Single needle stitch, Two needle stitch, Top stitch and 3-step.
Below is an extract from the booklet