How do I convert bitcoin to Cash App?

Could you please explain the process for converting Bitcoin to Cash App in a step-by-step manner? I'm new to cryptocurrency and would like to understand the most efficient way to do this. Are there any fees associated with the conversion, and what are the best practices to ensure a smooth and secure transaction? Additionally, are there any limitations or restrictions I should be aware of when using Cash App for cryptocurrency transactions? Thank you for your help.