Imagine that you need to buy a home security system. You have $5$ main attributes that you want to compare $4$ different systems on$,$ and you rank those attributes from most to least important. Specifically, you rank length of warranty as the most important attribute such that longer warranties are better. One of the systems clearly has a much longer warranty than the others so you go ahead and purchase it without further evaluations$/$comparisons$.$ In this case, you used a decision rule.

$$ conjunctive

lexicographic

elimination$-$by$-$aspects

disjunctive