12. A speech communication system comprising: non-transitory memory; a transcription unit, the transcription unit configured to transcribe a recorded portion of a speech communication between the at least first and second user stored in the memory to form a transcribed portion, a selecting unit, the selecting unit configured to select and mark at least one of the words of the transcribed portion which is considered to be a keyword of the speech communication, a search unit, the search unit configured to perform at least one search for each keyword and produce at least one definition for each keyword that identifies a meaning of that keyword, a trustworthiness unit, the trustworthiness unit configured to calculate a trustworthiness factor for each keyword, each trustworthiness factor indicating a calculated validity of a respective definition for a respective keyword; and a display unit, the display unit configured to display the transcribed portion such that, in response to a pointer being positioned over at least one keyword of the displayed transcribed portion or selection of at least one displayed keyword, displaying of the at least one definition of the keyword together with the calculated trustworthiness factor for each displayed definition is actuated.
12. A speech communication system comprising: non-transitory memory; a transcription unit, the transcription unit configured to transcribe a recorded portion of a speech communication between the at least first and second user stored in the memory to form a transcribed portion, a selecting unit, the selecting unit configured to select and mark at least one of the words of the transcribed portion which is considered to be a keyword of the speech communication, a search unit, the search unit configured to perform at least one search for each keyword and produce at least one definition for each keyword that identifies a meaning of that keyword, a trustworthiness unit, the trustworthiness unit configured to calculate a trustworthiness factor for each keyword, each trustworthiness factor indicating a calculated validity of a respective definition for a respective keyword; and a display unit, the display unit configured to display the transcribed portion such that, in response to a pointer being positioned over at least one keyword of the displayed transcribed portion or selection of at least one displayed keyword, displaying of the at least one definition of the keyword together with the calculated trustworthiness factor for each displayed definition is actuated. 17. The speech communication system of claim 12 , further comprising: a semantic search unit, the semantic search unit configured to perform a semantic search using ontologies.