Sew line This is referred to in draping and in truing up, and is simply the stitching line that will be used to join the seams.
Thread trace A hand-sewn straight stitch line used to mark seams or edges during draping or the marking and truing-up process.
Baste To hand-sew a stitch line to hold a seam together temporarily.
Catch stitch A useful stitch for holding together two pieces of muslin during draping in areas that may have some pressure pulling on them.
Tailor tack A stitch used to mark a single point on the fabric during draping and the marking and truing-up process.