20. A tangible, non-transitory computer readable storage medium or media having stored thereon machine executable instructions that, when executed by one or more processors, cause the one or more processors to: receive a natural language query; and receive one or more first electronic messages that include an answer to the natural language query, and metadata corresponding to the answer, the metadata separate from the answer and including information to enable construction by a computing device, using the metadata, of a syntactically correct natural language sentence or statement that recites and/or describes the answer, wherein the information to enable construction comprises information (i) indicating how the natural language query was interpreted in determining the answer and (ii) not included in the query; and generate the syntactically correct natural language sentence or statement that recites and/or describes the answer using the metadata in the one or more first electronic messages.
20. A tangible, non-transitory computer readable storage medium or media having stored thereon machine executable instructions that, when executed by one or more processors, cause the one or more processors to: receive a natural language query; and receive one or more first electronic messages that include an answer to the natural language query, and metadata corresponding to the answer, the metadata separate from the answer and including information to enable construction by a computing device, using the metadata, of a syntactically correct natural language sentence or statement that recites and/or describes the answer, wherein the information to enable construction comprises information (i) indicating how the natural language query was interpreted in determining the answer and (ii) not included in the query; and generate the syntactically correct natural language sentence or statement that recites and/or describes the answer using the metadata in the one or more first electronic messages. 21. The computer readable storage medium or media of claim 20 , further storing machine executable instructions that, when executed by one or more processors, cause the one or more processors to: cause a second electronic message that includes the natural language query to be transmitted via a communication network; wherein the one or more first electronic messages are responsive to the second electronic message.