This is the 5775th most frequent Polish word.
włączył
"Turned on" or "switched on."
Here, the verb 'włączył' is used in the context of switching on an electrical device, demonstrating its primary functional meaning.
On włączył światło.
He turned on the light.
In this instance, 'włączył' is part of a reflexive construction 'włączył się,' indicating an action of joining or including oneself in an activity.
Włączył się do dyskusji.
He joined the discussion.
'Włączył' here describes the act of starting or launching a program, showing its application in the context of initiating software or applications.