Terminal applications have a “cursor” that they can move around, just like a text editor. You can tell that cursor “go to line 3, delete everything, then print out this new text” by using VT100 sequences. And you can use it to replace existing characters with new ones, without re-emitting a whole line.
Example: deleting a passkey in Bitwarden
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当宠物进入运动场景，就不再是额外消费，而成为原有消费场景的自然延伸；品牌也借此打通人与宠物的生活场景，实现更完整的用户价值覆盖。
2024年12月24日 星期二 新京报
The query point creates a new Voronoi region shown in blue, displacing some of the old regions. The weight of each natural neighbour is derived from the area of the displaced region .