Keyword Analysis & Research: what's that supposed to mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what's that supposed to mean	1.49	0.5	7713	43	28
what's	0.54	0.6	1888	71	6
that	1.89	0.3	3942	85	4
supposed	1.41	0.6	6645	46	8
to	1.49	0.4	3813	68	2
mean	1.22	1	2425	83	4

Keyword	CPC	PCC	Volume	Score
what's that supposed to mean	0.04	0.7	8116	100