The primary reason most people opened ArcSoft PhotoImpression 4 was damage control.
One of the strongest selling points was the template library. You could drag and drop your photos into pre-made calendars, birthday cards, and flyers. It was the precursor to Canva or Instagram Stories—a quick way to turn a photo into a "product" without knowing anything about design. arcsoft photoimpression 4
If you are feeling nostalgic or need to revive an old Windows XP machine to scan photos from a vintage scanner, you can still find it. It was the precursor to Canva or Instagram
If you're asking about an you recall from that version, here are the most notable ones from PhotoImpression 4: arcsoft photoimpression 4
It was never designed to compete with Photoshop; it was designed to replace the sticker and glue stick for the digital scrapbooking generation.