The phrase "multiple imprints" refers to having more than one distinct impression or influence. It means that there are multiple things or experiences that have left their mark or made an impact on something or someone. Full definition
Like many other traditional publishers, Amazon Publishing has multiple imprints under its brand that specialize in different genres and categories of literature. (goodereader.com)
Tule Publishing is Romance and Erotica ePublisher with multiple imprints. (authorspublish.com)
Admittedly while I do see the appeal of multiple websites for multiple imprints, I do find the multiple forums a bit of a shame. (kuriousity.ca)