An action that sets a benchmark for similar situations is known as a precedent.
A precedent is:
Precedent can be used in various fields but is largely used in the field of law where a Court ruling by a high ranking court states how things should be done in a similar situation from thence forth by setting a precedent.
In conclusion, precedents set in a situation act as benchmarks for appropriate action when a similar situation happens in future and is largely used in the field of law.
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