geleitet
led
Being under the leadership, supervision, or direction of someone or something.
Das von Experten geleitete Seminar war sehr informativ.
The seminar led by experts was very informative.

led / conducted
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led
Being under the leadership, supervision, or direction of someone or something.
Das von Experten geleitete Seminar war sehr informativ.
The seminar led by experts was very informative.

'Geleitet' (led/conducted) is the past participle of the verb 'leiten' (to lead/conduct). It is used like an adjective to describe something that is under leadership or is guided in a direction.
Das gut geleitete Unternehmen ist sehr erfolgreich.
The well-led company is very successful.
The meaning depends on the context. If it is about people, projects, or organizations, 'geleitet' (led) means 'geführt' (led) or 'gemanagt' (managed). If it is about physics, technology, or liquids, it means 'transportiert' (transported) or 'kanalisiert' (channeled).
Das vom Dirigenten geleitete Orchester spielte fantastisch.
The orchestra led by the conductor played fantastically.
To name the person or institution that has the leadership, the preposition 'von' (by) is used with the dative. This construction is very common.
Das vom Chefarzt geleitete Team führte die Operation durch.
The team led by the chief physician performed the operation.
To name the medium through which something is transported, e.g. a cable or a pipe, you often use the preposition 'durch' (through) with the accusative.
Das durch das Kabel geleitete Signal war sehr schwach.
The signal conducted through the cable was very weak.
to transmit / transfer
'übertragen' and 'geleitet' can both occur with signals, data, energy, or liquids. 'übertragen' emphasizes that something is sent from one place or device to another. 'geleitet' describes the path more: something is guided through a cable, a pipe, or a channel in a particular direction. The words can be confused because both sound natural in technical contexts. As a simple guide: 'übertragen' is more about asking 'Where are the data being sent?', while 'geleitet' is more about asking 'Through which path or channel do they go?'

Im Zug wird das Signal durch ein spezielles Kabel geleitet.
On the train, the signal is conducted through a special cable.
Der Sensor überträgt die Daten jede Minute an den Computer.
The sensor transmits the data to the computer every minute.