It is the set of elements that constitute a mechanism that will facilitate the development of an activity. For example Cavalry rigs are a set of belts and elements that can haul a load or or a rider in a safe manner. Fishing gear are line. reel, Rod, lures, hooks, etc. A boat to navigate rigs are masts, ropes, sticks, candles, etc.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list