Keyword Analysis & Research: what is the meaning of overlap

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the meaning of overlap	1.2	0.1	6678	96	30
what	0.12	0.6	3646	91	4
is	1.85	0.4	7845	87	2
the	0.35	0.5	5503	67	3
meaning	0.75	1	5459	8	7
of	0.12	0.6	3606	28	2
overlap	0.89	0.2	8008	81	7

Keyword	CPC	PCC	Volume	Score
what is the meaning of overlap	0.56	0.4	5406	61