| milestone(noun, adjective, mark, sign, point) |
| guide(noun, information, mark, sign, influence) |
| monument(noun, sight, historical, notable relic) |
| mark(noun, information, sign, influence, sight) |
| watershed(noun, point) |
| event(noun, mark, sign, point, circumstance) |
| turning point(noun, expression, idiom, mark, sign) |
| marker(noun, information, mark, sign, influence) |
| memorial(noun, sight, historical, notable relic) |
| benchmark(noun, adjective, information, mark, sign) |
| blaze(noun, sight, historical, marker) |
| crisis(noun, point, turning point) |
| feature(noun, sight, historical) |
| milepost(noun, mark, sign, point, sight) |
| promontory(noun, sight, historical, marker) |
| relic |
| remnant(noun, sight, historical, notable relic) |
| seamark(noun, indication) |
| vestige(noun, sight, historical, notable relic) |
| signpost(noun, information, mark, sign, influence) |