It's been a struggle to balance my professional and family 'commitments'. [=to do both what I have promised to do for my job and what I have promised to do for my family]
I can't coach my daughter's basketball team. I have too many 'commitments' already. [=I have too many things that I have promised to do]
Opening your own business requires a significant 'financial commitment'. [=it requires you to spend a lot of money over a long time]
(..) It is a big honor to be invited to his show. Can you stay here until Friday? Uh, I'm surprised and honored, but I think I need to check with my agent. Okay. Mm-hmm. I believe I may have a previous commitment. Sure. I understand. Shall we go? Yes. I think you should do it. No, hear this, Fred. (..)2003 Lost in Translation