This is the 11677th most frequent Russian word.
журнального
"Журнального" means "magazine-related" or "pertaining to a magazine."
The word 'журнального' here functions as an adjective describing the table as one typically associated with magazines.
Я взял книгу с журнального столика.
I took a book from the coffee table.
The word 'журнального' modifies 'издания', indicating that the edition is related to a magazine.
Этот дизайн создан для журнального издания.
This design is made for a magazine edition.
The word 'журнальном' (a variation of 'журнального') describes the format, related to the style or manner of a magazine.