13. The computer-readable memory device of claim 12 , where the one or more groups of characters include a phrase in the document, and where the one or more instructions to generate a search query include: one or more instructions to use the phrase as a single search term for the search query.
12. A non-transitory computer-readable medium storing instructions, the instructions comprising: one or more instructions which, when executed by at least one processor, cause the at least one processor to detect, based on one or more groups of characters being highlighted in a paragraph in a document, selection of the one or more groups of characters; one or more instructions which, when executed by the at least one processor, cause the at least one processor to determine one or more textual concepts in the selected one or more groups of characters in the document; one or more instructions which, when executed by the at least one processor, cause the at least one processor to generate, based on determining the one or more textual concepts in the selected one or more groups of characters in the document, a search query using the determined one or more textual concepts; one or more instructions which, when executed by the at least one processor, cause the at least one processor to transmit the generated search query, over a network, to a search engine; one or more instructions which, when executed by the at least one processor, cause the at least one processor to receive search results, based on the search query, from the search engine; and one or more instructions which, when executed by the at least one processor, cause the at least one processor to present the search results.