If you see a product with the name e.g. 5in1:, then this means that this motif offers several options. These could be, for example, the following:
Number of persons
Select gender
different arrangement of the design
Partner designs
and much more.
Examples:
With our 5in1: Girlfriends design you can choose 2,3,4 or 5 girlfriends.
With our 3in1: Sweet Couple design you have the options to choose man+woman, man+man or woman+woman etc.
Clicking on such a design can be worthwhile as it offers several possibilities.