olemus
Wiktionary:
3. a reminder
Put it in the tickler file for next week.

näiteid
https://duckduckgo.com/?q=reminding+tickler+&t=h_&iar=images&iax=images&ia=images

https://duckduckgo.com/?q=tickler+sticker&t=h_&iar=images&iax=images&ia=images

vt ka
- kalendertoimik