Keyword Analysis & Research: what is the meaning of file extension

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the meaning of file extension	1.66	0.2	3930	64	37
what	1.63	0.6	9892	8	4
is	0.52	0.3	2173	74	2
the	0.74	1	5014	4	3
meaning	1.62	0.7	1800	64	7
of	1.57	0.6	9265	69	2
file	0.96	0.8	6487	33	4
extension	0.33	0.6	5338	58	9

Keyword	CPC	PCC	Volume	Score
what is the meaning of file extension	1.87	0.4	7595	89