Keyword Analysis & Research: what does intermediate if not basic mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does intermediate if not basic mean	1.2	0.1	527	19	40
what	1.97	0.4	3770	10	4
does	1.08	0.9	310	52	4
intermediate	0.2	0.2	2599	55	12
if	0.95	0.3	2176	31	2
not	1.75	0.5	5114	79	3
basic	0.04	1	9990	73	5
mean	1.57	0.8	5056	68	4

Keyword	CPC	PCC	Volume	Score
what does intermediate if not basic mean	0.86	0.8	5725	51