Flower in the Crannied Wall by Alfred, Lord Tennyson

"Flower in the crannied wall,
I pluck you out of the crannies,
I hold you here, root and all, in my hand,
Little flower - but if I could understand
What you are, root and all, and all in all,
I should know what God and man is."
(Flower in the Crannied Wall by Alfred, Lord Tennyson)

Tennyson says that if we can understand a flower, then we would know who we are and what the world is. Observing and understanding a flower can thus be considered an important process. However, different people see things in different ways. Given a certain object there are various ways it can be examined and described, according to the observer's approach and his / her reaction to it. Perception depends on the experience of the observer, the result of combining sensation and interpretation, and on the basis of his/ her knowledge.
Taking a flower as the object which is being observed, a biologist, an economist and a poet would approach knowing about it using different methods a...