# 4.2:H304201 Use abbr and avronym to indicate Web page text abbreviation. ## Improper design In the description below, the abbreviations "SARS", "Hi-Tech" do not have relative explanation. Improper design:
    <P>
    Worldwide experts think that SARS is likely to hit again this year in the late autumn,
    the estimated threat to Asia is high in technology.
    </P>
End of example ## Proper demonstration In the above example ˇ§SARSˇ§ and ˇ§Hi-Techˇ§ was written as<ABBR title="Severe Acute Respiratory Syndrome">SARS</ABBR>and<ACRONYM title="High Technology">Hi-Tech</ACRONYM>ˇC Proper example:
    <P>
    Worldwide experts think that<ABBR title="Severe Acute Respiratory Syndrome">SARS</ABBR>
    is likely to hit again this year in late autumn,
    the estimated threat to Asia is<ACRONYM title="High Technology">Hi-Tech</ACRONYM>high in technology.
    </P>
End of example