Answer:
It changes your way of understanding because as you get closer your perspective of that object,that is; the way too see it will be different.
The subject of a talk, a piece of writing, a person's thoughts, or an exhibition; a topic.
Answer:
My tenant, Mr. Verma, pays the rent regularly.
or
Mr. Verma, my tenant, pays the rent regularly.
Its c you can thank me later ;)
I think the answer would be C. It is the best thought out and would definitely be perfect for what you are trying to achieve