| formality(noun, regulation, procedure, custom, convention) |
| label(noun, verb, indicate, indication) |
| movement(noun, action, act, drive, sign) |
| tag(noun, verb, indicate, indication) |
| ticket(noun, verb, indicate, indication) |
| nudge(verb, indicate, indication) |
| stamp(noun, verb, mark, light, sign) |
| beck(noun, indication) |
| high sign(noun, expression, action, act, movement) |
| mark(verb, light, sign, indicate, select) |
| move(noun, verb, activity, action, act) |
| posture |
| reminder(noun, communication, mark, sign, notice) |
| act(noun, activity, move, action, go) |
| attitude(noun, minor concession) |
| badge(noun, mark, light, sign, indication) |
| beacon(noun, mark, light, sign, indication) |
| body language(noun, expression, communication, sign, signal) |
| clue(mark, light, sign, suggestion, indication) |
| expression(noun, show, mark, sign, wave) |