This is the 10206th most frequent Portuguese word.
entendido
Understood; knowledgeable or skilled in a subject.
In this sentence, "entendido" is used as a past participle to indicate comprehension of something.
Está tudo entendido.
Everything is understood.
Here, "entendido" is used as an adjective to describe someone as knowledgeable or well-informed about a topic, in this case, technology.
Ele sempre foi muito entendido sobre tecnologia.
He has always been very knowledgeable about technology.
In this sentence, "entendido" serves as the past participle of the verb "entender," showing the completion of the action of understanding.