Abstract: A computer-implemented method (and non-transitory media) are provided, comprising at least a portion of an instant messaging application that is configured to cooperate with an apparatus, the instant messaging application, when executed, configured to cause a device to: display an instant messaging interface including: a text entry user interface element for receiving entered text, a plurality of user interface elements for generating attachment requests that are valid according to a criterion schema defining at least one of a format or a vocabulary, the plurality of user interface elements including: a first menu item with corresponding first text, and a second menu item with corresponding second text.

Abstract: A computer-implemented method (and non-transitory media) are provided, comprising at least a portion of an instant messaging application that is configured to cooperate with an apparatus, the instant messaging application, when executed, configured to cause a device to: display an instant messaging interface including: a text entry user interface element for receiving entered text, one or more user interface elements for generating requests that are valid according to a criterion schema defining at least one of a format or a vocabulary, the one or more user interface elements including: a first menu item with corresponding first text.

Abstract: A computer-implemented method (and non-transitory media) are provided, comprising at least a portion of an instant messaging application that is configured to cooperate with an apparatus, the instant messaging application, when executed, configured to cause a device to: display an instant messaging interface including: a text entry user interface element for receiving entered text, a plurality of user interface elements for generating attachment requests that are valid according to a criterion schema defining at least one of a format or a vocabulary, the plurality of user interface elements including: a first menu item with corresponding first text, and a second menu item with corresponding second text.