10. A system comprising: a processor; and a memory storing instructions that when executed by the processor cause the processor to: receive data indicative of a word or phrase communicated during a meeting attended by a plurality of participants, for each participant, identify records electronically accessible to the participant, and associate each record with a record-relevancy tier from a hierarchy of record-relevancy tiers, wherein each tier is indicative of relevance to the meeting, identify a plurality of explanations for the communication and for each explanation an associated score, including for each participant, beginning with a most relevant tier, search records accessible to the participant tier by tier until an explanation is identified, after identification of the explanation, score the explanation according to the tier associated with the record in which the explanation is identified, determine, based upon the scores for the explanations, a preferred explanation, and cause a display of the preferred explanation.
10. A system comprising: a processor; and a memory storing instructions that when executed by the processor cause the processor to: receive data indicative of a word or phrase communicated during a meeting attended by a plurality of participants, for each participant, identify records electronically accessible to the participant, and associate each record with a record-relevancy tier from a hierarchy of record-relevancy tiers, wherein each tier is indicative of relevance to the meeting, identify a plurality of explanations for the communication and for each explanation an associated score, including for each participant, beginning with a most relevant tier, search records accessible to the participant tier by tier until an explanation is identified, after identification of the explanation, score the explanation according to the tier associated with the record in which the explanation is identified, determine, based upon the scores for the explanations, a preferred explanation, and cause a display of the preferred explanation. 12. The system of claim 10 , wherein the communication is a first communication and the preferred explanation is a first preferred explanation; wherein the display is a display of a set of communications and preferred explanations including the first communication and the first explanation, and a second communication with a second preferred explanation; and wherein the processor is to, responsive to determining that a first preferred explanation among the set was identified in a more relevant tier than was the second preferred explanation, cause display of the first preferred explanation and its associated communication in a manner that ranks the first preferred explanation more highly than the second preferred explanation.