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	1.83	0.8	1032	28	31
what	1.24	0.9	5495	47	4
does	0.53	0.8	1623	86	4
proof	1.89	0.4	515	25	5
of	1.31	0.6	4377	89	2
concept	0.5	1	9018	93	7
mean	1.16	0.3	9294	46	4

Keyword	CPC	PCC	Volume	Score
what does proof of concept mean	0.73	0.5	2418	10