英英辞典では

通信 ビジネス

Roget’s II: The New Thesaurus, Third Edition. 1995.

gadget

NOUN: A small specialized mechanical device: concern, contraption, contrivance, gimmick, jigger, thing. Informal : doodad, doohickey, widget. Slang : gizmo. See MACHINE

widget

NOUN: Informal. A small specialized mechanical device: concern, contraption, contrivance, gadget, gimmick, jigger, thing. Informal : doodad, doohickey. Slang : gizmo. See MACHINE.

やや、Widgetが軽めか。