what does the pipe symbol in a bnf rule mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does the pipe symbol in a bnf rule mean	1.89	0.8	7746	33	44
what	0.49	1	17	9	4
does	0.51	1	2744	20	4
the	1.17	0.4	647	86	3
pipe	1.64	0.1	7501	63	4
symbol	0.6	0.3	9136	8	6
in	1.51	0.1	3267	64	2
a	1.74	0.3	6985	75	1
bnf	1.09	0.5	4567	62	3
rule	1.39	0.7	7825	31	4
mean	0.51	0.8	1461	35	4

Keyword	CPC	PCC	Volume	Score
what does the pipe symbol in a bnf rule mean	0.52	0.8	8555	26
bnf abbreviations and symbols	1.46	0.5	3998	77
how to reference the bnf	0.34	0.3	5349	76
what does the bnf stand for	1.67	0.9	763	37
bnf meaning in text	1.31	0.8	270	27
how to use the bnf	1.98	0.7	2708	90
bnf means in trading	1.65	0.7	2097	19
bnf notation in compiler design	1.56	0.6	7297	59
bnf chapters and sections	1.08	0.2	2610	59
what does bnf stand for in medicine	1.25	0.4	4742	59
what does bnf mean	1.16	0.3	2693	14
what does bnf stand for in banking	1.23	0.5	7431	47
what is bnf notation	0.05	0.2	5583	86
full form of bnf	1.66	0.6	5857	66
what does bnf mean in banking	1.75	0.2	9847	79
bnf meaning in banking	1.44	0.8	3727	99
what is a bnf account number	0.6	0.8	5139	93
bnf on bank statement	1.56	0.1	1890	73
que veut dire bnf	1.72	0.5	4100	87
non medical prescribing bnf	1.66	0.4	5669	26
bnf in stock market	0.1	0.7	6217	56