27. A method for executing a link of a display apparatus, the method comprising: displaying a user interface; determining a first text included in a first link included in the user interface; displaying the first text so as to distinguish the first text from other texts; recognizing a voice input from a user; determining if the recognized voice input matches the first text; and executing the first link in response to a determination that the recognized voice input matches the first text, wherein the voice input comprises a voice of the user speaking at least a word from the first text, and wherein the determining a first text comprises extracting a first text comprising at least one word from the first link such that the first text does not share common words with a second text determined in a second link.
27. A method for executing a link of a display apparatus, the method comprising: displaying a user interface; determining a first text included in a first link included in the user interface; displaying the first text so as to distinguish the first text from other texts; recognizing a voice input from a user; determining if the recognized voice input matches the first text; and executing the first link in response to a determination that the recognized voice input matches the first text, wherein the voice input comprises a voice of the user speaking at least a word from the first text, and wherein the determining a first text comprises extracting a first text comprising at least one word from the first link such that the first text does not share common words with a second text determined in a second link. 31. The method of claim 27 , wherein the recognizing a voice input comprises receiving and recognizing voice information of the user by an external voice recognition apparatus comprising a microphone.