| Answer | Crossword Clue |
|---|---|
| THREAD | Series of posts on Usenet |
| FEED | Series of posts on social media |
| THREAD | Series of online posts |
| bollard | one of a series of short posts for diverting vehicles from a road, lawn, or the like |
| milepost | any of a series of posts set up to mark distance by miles, as along a highway, or an individual post showing the distance to or from a place |
