1. A computer-implemented method comprising: receiving a sequence of symbols that have been optically captured from a rendered document; determining that the sequence of symbols includes a particular symbol, word, or phrase that has been mapped to one or more actions; selecting an action from the one or more actions; and transmitting an instruction to a document management system to perform the selected action.
2. The computer-implemented method of claim 1 , further comprising: identifying the rendered document, based on the optically captured sequence of symbols; and identifying, from a corpus of electronic documents, an electronic document that corresponds to the rendered document, wherein transmitting the instruction to the document management system includes specifying that the selected action is to be performed on the electronic document.