strings.xml

<resources>
    <string name="peopleicon">people icon</string>
    <string name="natureicon">nature icon</string>
    <string name="objectsicon">objects icon</string>
    <string name="carsicon">cars icon</string>
    <string name="punctuationicon">punctuation icon</string>
    <string name="normalicon">normal icon</string>
</resources>