The world charts come in three styles: “sectional-style” VFR charts for use at low levels, “World Low” for low-altitude IFR enroute charts, and “World Hi” for high-altitude enroute charts.

VFR sectional chart legend: interpretation of symbols contained on VFR chart. VFR sectional chart user's guide: detailed FAA-publication delineating what information is printed on a sectional and how ...