Keyword Analysis & Research: what do brackets in text mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what do brackets in text mean	0.61	0.7	7075	27	29
what	1.35	0.7	7254	11	4
do	1.82	0.8	532	41	2
brackets	0.49	0.2	4904	86	8
in	1.77	1	1370	44	2
text	1.71	0.4	5281	24	4
mean	0.1	1	1419	36	4

Keyword	CPC	PCC	Volume	Score
what do brackets in text mean	1.91	0.1	1892	68