4

The video leverages the universal appeal of cute babies and the relatable milestone of a 4-month birthday, tapping into emotional engagement. The use of a template format also makes it easily shareable and adaptable, increasing its reach.

The video displays a montage of adorable babies in various outfits and poses, celebrating their four-month milestones. It features cute baby photos and a graphic indicating "4 MONTHS".

CapCut: it ACTS - it is used to edit videos, as indicated by the caption and creator handle/name. Removing it would change the video's context as a template. It is incidental as the video is not promoting CapCut itself, but rather a template for it.