A bank is a place where people keep their money safe. They also help people borrow money when needed.
I will go to the bank today.
She deposits money at the bank.
This meaning describes a collection or storage site for various items or information. It is often referenced in terms like a bank of data.
The bank of data stores all information.
They have a bank of ideas for the project.
In this figurative sense, to bank means to depend on someone or something. It implies trust in their abilities or reliability.
You can bank on me to help you.
He banks on his experience for success.