This is the 1804th most frequent Portuguese word.
ligar
"To turn on," "to connect," or "to call (phone)."
Here, 'ligar' is used in the context of placing a call or contacting someone via phone.
Eu preciso ligar para o meu amigo.
I need to call my friend.
In this sentence, 'ligar' refers to the action of turning on a device, such as a TV.
Você pode ligar a televisão, por favor?
Can you turn on the television, please?
Here, 'ligar' indicates the idea of connecting elements, like in a metaphorical or conceptual way.