olemus
(1a) tavaline valge koolitahvel
Wiktionary:
1. a writing board finished with a hard white material, which can be written upon using special non-permanent markers and subsequently wiped clean
https://duckduckgo.com/?q=whiteboard&t=h_&iax=images&ia=images
https://en.wikipedia.org/wiki/Whiteboard
(1b) tahvli otstarvet täitev interaktiivne ala kuval mõnedes rühmatarkvara- ja konverentsisüsteemides
Wiktionary:
2. (by extension, computing) a collaborative tool allowing several users to write and draw on the same shared display
https://en.wikipedia.org/wiki/Whiteboarding

vt ka
- interaktiivtahvel
- tahvel (2)