Christianity, portrayed through the use of the cross;
Diversity within a common mission, portrayed through circles or links around the cross. Seven links were used to represent the seven counties of the Diocese, with the additional interpretation of seven sacraments and the symbolic use of the number seven throughout scripture;
Locale; Selection of the French royal colors blue and maize represent the colors of the official coat of arms of the Diocese and the French ancestry of Louis Joliet for whom the See City of Joliet is named.
