Keyword Analysis & Research: what does an equal sign with a slash mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does an equal sign with a slash mean	0.83	0.7	7109	17	41
what	0.06	0.3	5574	33	4
does	0.01	0.9	3389	63	4
an	0.33	0.3	7749	62	2
equal	0.42	0.4	7949	58	5
sign	1.87	0.1	2663	64	4
with	1	0.1	1015	50	4
a	1.68	0.5	7523	14	1
slash	1.75	0.6	4093	81	5
mean	1.15	0.3	5681	77	4

Keyword	CPC	PCC	Volume	Score
what does an equal sign with a slash mean	0.44	0.3	5097	70