Keyword Analysis & Research: what does this mean in match

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does this mean in match	0.92	0.9	5540	97	28
what	1.1	0.6	6141	30	4
does	0.96	0.7	3886	53	4
this	0.78	0.4	9505	7	4
mean	1.49	0.1	4495	87	4
in	1.4	0.5	2679	10	2
match	1.81	0.8	4385	6	5

Keyword	CPC	PCC	Volume	Score
what does this mean in match	0.79	0.9	1066	12