olemus
(a) kuupäeva näitav templijäljend
= a stamp-printed date
https://www.google.com/search?q=date+stamp+example&client=ubuntu&source=lnms&tbm=isch&sa=X&ved=2ahUKEwj5sK-f95X5AhWZQfEDHX6cDTUQ_AUoAXoECAEQAw&biw=835&bih=877&dpr=1

(b) selle tekitamise vahend
= a device used to print the date
https://duckduckgo.com/?q=%22date+stamp%22&t=h_&iax=images&ia=images