(an instance of) mentioning something; a statement about a person's character or abilities; a note telling where certain information may be found
remark, citation
Cases of word usage
1) an indirect reference often by using a figure of speech to another famous event or person (allusion)
2) with reference to (concerning)
3) the power to learn, understand and know; information, especially with reference to important events (intelligence)
4) refer; reference (ref)
5) concerning; with reference to (regarding)
6) a sound, especially with reference to its quality; a quality of the voice in speaking; shade (of colour); degree (of light); any one of the five larger intervals between one note and the next (tone)