the.com/indication
A sign waving its arms, hoping you'll connect the dots before disaster does.
means A hint, signal, or piece of evidence pointing toward what's true, needed, or about to happen.
from From Latin indicare, to point out, built from in- (toward) plus dicare (to proclaim) — literally the act of pointing and announcing at once.
Medical senseNames the reason a treatment is justified.
Turn signalBritain calls them indicators, not blinkers.
Legal cousinIndictment shares the same pointing root.