Answer:
OC- the distance between object.
for example negative space and positive space
Just read the directions and follow them. this isn’t hard
Answer:
You can use tailor's tacks to transfer any kind of marking from your pattern to your fabric.For marking single points such as those denoted by small circles on patterns, often used for marking where a pattern piece meets a seam. You can use tailor's tacks to mark darts.
Explanation:
source:
How to Make and Use Tailor's Tacks - Tuesday Stitchestuesdaystitches.com › make-use-tailors-tacks