| Alternate name indicator |
| Architect's afterthought |
| Acid-base indicator |
| Maiden-name indicator |
| Texter's afterthought intro |
| Start of a modern afterthought |
| Trend indicator |
| Emergency indicator |
| Leading indicators? |
| Connection indicators |
| Depth indicators, at times |
| Airspeed ratio indicator |
| Footnote indicators |
| Poison indicators, on bottles |
| Accident indicator |
| Accord indicators |
| Shipboard time indicators |
| Acid indicator |
| Approval indicators |
| Direction indicators |
| Larynx indicators |
| Builders' afterthoughts |
| Afterthought indicator |
| Afterthought introducer |
| Alternative indicator |
| Alias indicator |
| Actor's indicators |
| Sleep indicators |
| #1 indicator |
| Illness indicator |