Matched context for sign and ref

The page lists matched contexts for sign and ref.

Share - sign	Share - ref	Phrase
6.14%	25.26%	reference {sign or ref}
0.87%	16.47%	signal {sign or ref}
0.82%	1.51%	flag {sign or ref}
0.84%	1.16%	apply {sign or ref} [perform operation]
0.67%	1.29%	value {sign or ref}