OK - I have one I am looking for but I bet there are the visual versions of earworms that are bugging 'Catters right now. And searching for them needs the right question, that the web hasn't grown up enough to help. So post your questions, someone may know.

My word might be in the area of: logo, a word form, typography, graphical arrangement, and even but maybe not, per se, an acrostic. But there must be a word that describes what I see fingerpost - detail maker's mark.

Two words in cruciform that share a common letter in the centre. Does acrostic truly fit (given the modern meaning)?