Keyword Analysis & Research: what does green fn mean in text

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does green fn mean in text	1.87	0.5	4834	6	31
what	0.21	0.3	3690	61	4
does	1.03	0.6	5828	78	4
green	1.3	0.6	8735	75	5
fn	1.82	0.5	6569	56	2
mean	0.31	1	8443	19	4
in	1.57	0.9	8940	61	2
text	1.96	0.8	2503	47	4

Keyword	CPC	PCC	Volume	Score
what does green fn mean in text	0.57	0.7	1171	88