Communication system for text-based communication

A communication system for text-based communication, comprising:

• a communication unit and an additional communication unit, said communication unit, containing:
• at least one communication interface configured to receive chat text messages from said additional communication unit and to send incoming said chat text messages to said additional communication unit;
• an input unit allowing a first user to input the chat text messages;
• and
• a display unit, on which the chat text messages received from said at least one communication interface and the chat text messages input via said input unit can be displayed as chat;
• said additional communication unit, containing:
• at least one additional communication interface configured to receive the chat text messages from said communication unit and to send incoming said chat text messages;
• an additional input unit allowing a second user to input the chat text messages;
• an additional display unit, on which the chat text messages received from said additional communication interface and the chat text messages input via said additional input unit can be displayed as said chat;
• and
• a chat application being invoked from said additional communication unit, wherein the chat text messages being issued via the chat application to said communication unit, and wherein the chat application is configured to display graphical user interfaces in the chat on said additional communication unit;
• and
• an analysis entity connected between said at least one communication interface and said at least one additional communication interface, wherein said analysis entity is configured to analyze the chat text messages input via said input unit and based on an analysis, to add metadata to an input said chat text message before forwarding the chat text messages to said additional communication interface, wherein the chat application is configured to display a graphical user interface corresponding to the metadata upon receiving the metadata.