There is always more that you can understand. For example, if you understand the goal as improving profits, there's so much more you can ask - do they have a % change target in mind, how long do we have to turn this around, do they prefer this to be done through raising revenue or cutting costs, etc.
I always write BOTMG at the bottom of my framework page to help myself think of things I'm missing in case I'm stuck.
This helps "trigger" you to consider questions around B = Business Model, O = Objective, T = Timing, M = Market, G = Geography.
However, you should never just say "so, what is their business model?" Obviously, ask questions that help you frame your hypothesis, understand the situation, and ultimately drive your case better.