1. A system comprising: one or more processors; and memory having one or more instructions stored thereon that, responsive to execution by the one or more processors, causes the one or more processors to perform operations comprising: presenting, based on a selected character and in a user interface, multiple character strings representing words or later parts of words or acronyms of which the selected character is a part, at least one of the multiple character strings being a multi-string having two or more character strings of the multiple character strings, the multi-string having or completing a long word and at least one of the two or more character strings having or completing a short word, the short word being shorter than the long word and being a constituent part of the long word; enabling selection, through the user interface and with a gesture, to select the short word or the long word through selection of one or more of the multiple character strings, wherein the selection of the multiple character string for the short word would be selecting a portion of the multiple character string for the long word; receiving selection, through the user interface, of the short word or the long word of the one of the multiple character strings through the gesture; and providing or presenting the selected short word or long word.