ds to the two-dimensional
surface of the area.<br />

1.  Give five examples of <i>symbols</i> in the map language.<br />

2.  An <i>explicit</i> sentence is a sentence that the creator
    of the representation actually writes down. An
    <i>implicit</i> sentence is a sentence that results from
    explicit sentences because of properties of the analogical
    representation. Give three examples each of <i>implicit</i>
    and <i>explicit</i> sentences in the map language.<br />

3.  Give three examples o