An A/B set is a group of element variants that you want to test against each other to determine which variant performs best.
You create an A/B set by selecting the “A/B Test” campaign type instead of “Standard” when creating a campaign; Sturely displays this type in the creation wizard with the description “Compare element sets.” From the A/B Sets tab within Elements, you can then group and manage the corresponding element variants.
When setting up an A/B set, think carefully in advance about exactly what you want to test: different visuals, a different call-to-action text, or a different color scheme. Ideally, test one variable at a time so that you can determine with certainty afterward which element caused the observed improvement or decline in performance.