Continuity features include Handoff, Phone Calling, Instant Hotspot, and SMS. You can start an email or document on iPhone, for example, and then pick up where you left off on your iPad. You can use your iPad or Mac to make and receive phone calls through your iPhone.
The purpose of Poka-Yoke is to develop processes to reduce defects by avoiding or correcting (design to show alerts or warning messages to user) mistakes in early design and development phases.
Another purpose of a paycheck stub is to ensure that an employee is aware of deductions made for tax purposes or benefits. These will typically be shown separately for each deduction, such as federal taxes, state taxes, health benefits, and retirement programs.