Template:Importance legend

Need: A measure of a subject's importance, regardless of its quality

class="import-top " style="text-align:center; color:inherit; background:Template:Importance/colour; " |Top	Subject is a must-have for a print encyclopedia.
class="import-high " style="text-align:center; color:inherit; background:Template:Importance/colour; " |High	Subject is exceptionally important.
class="import-mid " style="text-align:center; color:inherit; background:Template:Importance/colour; " | Mid	Subject contributes a depth of knowledge.
class="import-low " style="text-align:center; color:inherit; background:Template:Importance/colour; " | Low	Subject fills in important details.
class="import-na " style="text-align:center; color:inherit; background:Template:Importance/colour; " |NA	Subject importance is not applicable.