olemus
(4a) = vidin (1)

(4b) keerukam tööriist või tehniline vahend
= a new, often expensive, and relatively unknown hardware device or accessory

ülevaateid
https://diffsense.com/diff/device/gadget

https://wikidiff.com/gadget/device

https://wikidiff.com/gadget/tool

vt ka
https://en.wikipedia.org/wiki/Gadget