Keyword Analysis & Research: why does the author include this excerpt

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why does the author include this excerpt	1.56	0.8	7247	46	40
why	1.78	0.8	1892	87	3
does	1	0.3	2812	38	4
the	1.67	1	6731	22	3
author	0.51	0.6	6412	38	6
include	1.92	1	1353	97	7
this	0.35	0.4	833	1	4
excerpt	0.92	0.4	9116	44	7

Keyword	CPC	PCC	Volume	Score
why does the author include this excerpt	1.39	0.5	5905	75