How will you know a client is ready to hire you as a freelancer?

[Btaliat]

Not all clients are ready to get you hired. That's why there is a need for the freelancers to know more on how to know if truly a client is about hiring them. The discussion will be shifted more on the tasks at hand and not really about what the freelancers can do. Apart from that, it is possible for the clients to start talking about the payment. How else can a freelancer know that a client is ready to hire him?