Solution :
Every place and every countries have different social philosophy and ideals that the people of that places follow.
In some of the countries, the elderly person or the aged person are highly respected and highly valued. This is because they are respected because of their high experience of life and other work. They have seen the world and understand its mechanism of how society works. The elderly persons are full of resources and knowledge and it is important we learn form them.
In other countries, the younger people and the youths are mostly given respect and are highly valued than the elderly person. The younger people are full of energy and zeal to do new activities and other works. They are highly motivated and can quickly grasp things. So, in some laces the youths are highly valued.
A polite person may always say thank you and please. They may hold open a door for someone. They are always courteous to others. Polite means caring about others and showing respect.
Do you have to pick one? cause if so i'd say diagrams and headings
I am certain your answer is 4.
To me, it makes the most sense and I think anyone else can agree.
Hope I helped, and good luck!