Raise means to move something up or make it higher. You can raise your arm or raise objects easily. It often means lifting things.
Please raise your hand to ask.
She raised the box onto the table.
Raise means to take care of children or animals until they grow up. It means feeding, teaching, and protecting them.
They raised three children happily.
She raises chickens on the farm.
Raise can mean to talk about or mention something so others know about it. For example, to raise a question or raise a problem.
He raised an important question today.
She raised concerns about safety.