| flag |
| fundamental |
| gudgeon |
| incline(verb, move, change, cut, turn) |
| interface(noun, join, connection, combine, link) |
| join(noun, connection, joint, seam, intersection) |
| junction(noun, join, connection, joint, seam) |
| knee(noun, join, connection, combine, link) |
| link(noun, join, connection, combine, gathering) |
| loop(verb, move, change, cut, turn) |
| main idea(expression, body, heart, center, gist) |
| make a left(expression, idiom, cut, turn, pass) |
| make a right(expression, idiom, cut, turn, pass) |
| meat(body, heart, center, gist, nucleus) |
| median(noun, middle) |
| miter(noun, join, connection, combine, link) |
| mortise(noun, join, connection, combine, link) |
| pass(verb, move, cut, drive, run) |
| pivot joint |
| pole |