Keyword Analysis & Research: what do you mean by callback function

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what do you mean by callback function	1.78	0.8	5082	20	37
what	1.45	0.1	2371	15	4
do	1.83	0.6	3033	62	2
you	0.72	0.9	813	56	3
mean	1.5	1	8959	78	4
by	1.42	0.8	3909	84	2
callback	1.93	0.9	132	83	8
function	0.92	0.7	7456	11	8

Keyword	CPC	PCC	Volume	Score
what do you mean by callback function	0.18	0.9	1058	16