Final answer:
Definition of 'Old Age' varies within and across culture and history based on social norms and values, economic factors, and religious beliefs. Therefore, the correct answer is 4) All of the above.
Step-by-step explanation:
Definition of 'Old Age' varies within and across culture and history based on social norms and values, economic factors, and religious beliefs. Social norms and values influence how societies view and treat older adults, while economic factors such as access to healthcare and resources can impact the well-being of the elderly. Additionally, religious beliefs may shape attitudes towards aging and the role of older individuals in society. Therefore, the correct answer is 4) All of the above.