Keyword Analysis & Research: what does proof of concept mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does proof of concept mean	0.16	1	2299	85	31
what	1.26	0.7	2726	23	4
does	0.22	0.8	7918	95	4
proof	0.53	0.4	4864	86	5
of	0.78	0.5	5202	39	2
concept	1.1	0.5	955	83	7
mean	1.53	0.4	3055	54	4

Keyword	CPC	PCC	Volume	Score
what does proof of concept mean	1.8	0.5	1600	62