10. A document processing method according to claim 7, further comprising a step for displaying or outputting a result of translation by said translating step.
7. A document processing method comprising: a first word extracting step for extracting a first word from document data; a preceding/subsequent word extracting step for extracting, from the document data, a second word that is one of a preceding word and a subsequent word of the first word; a keyword extracting step for extracting a keyword of the document data, based on a frequency of occurrence of the first word, wherein said keyword extracting step includes a word counting step of counting a number of occurrences of each word, other than unnecessary words which are pre-excluded from being keywords, in the document data, said keyword extracting step extracting a word having a high number of occurrences, counted by said word counting step, as the keyword; and a translation step for translating the keyword into a predetermined language by referring to a dictionary in a process that considers a meaning of the first and second words existing together in the document data.