Analogy

Apple, Grape and Orange all these are fruits.

First denotes the nature of the second

Second is the quality possessed by the first.

First denotes the state of lack of second.

Rupee is currency of India and Yen is the currency of Japan.

As Arc is a part of Circle similarly segment is a part of line.

Chlorophyll imparts green colour to the plant. Similarly, Haemoglobin imparts red colour to the blood.

Mango is Fruit in same way Potato is modified Stem.

Second is a more intense form of the first.

First is the female of the second.