Loop is the command in 1KA, which you can find in the 'EDIT' tab on the left side when you click on the orange icon in the form of a plus, then select Loop in the Advanced features category.
We use the loop when we want certain question or questions to be repeated several times, based on answers of a previous question. It is important to always insert page break before (first) question and after (last) question, when using loops.
Otherwise, we could set such a condition with multiple IF conditions or create several single questions based on a specific answer, but using the loop is significantly easier.
For better understanding of the loop, see the example that you can copy to your library as the basis for preparing your questions with a loop (located in the Library in folder 1KA example questionnaires – IF conditions templates).
See the manual showing how to use the loop in 1KA tool: