Keyword Analysis & Research: what does 1st 2nd and 3rd mean on linkedin

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does 1st 2nd and 3rd mean on linkedin	0.07	0.3	1943	22	42
what	1.97	0.9	7378	19	4
does	0.84	0.9	6608	41	4
1st	1.88	0.7	8579	84	3
2nd	0.22	0.5	4983	44	3
and	0.33	0.9	5408	6	3
3rd	0.99	0.5	9959	36	3
mean	1.02	0.3	8865	98	4
on	0.5	0.4	702	26	2
linkedin	0.29	0.9	8661	40	8

Keyword	CPC	PCC	Volume	Score
what does 1st 2nd and 3rd mean on linkedin	0.72	0.5	3458	5