What is professional knot tying called?

Professional knot tying is often referred to as "ropework" or "knot tying." In specific contexts, such as sailing, climbing, or fishing, it may also be called "marlinspike seamanship." In industries like entertainment or emergency services, it can be simply termed "knot craft" or "knot tying techniques." Mastery of these skills is essential for safety and efficiency in various fields.