Which term refers to the ratio of a chart's size to the actual features?

Which term refers to the ratio of a chart's size to the actual features?

• A. Scale
• B. Map
• C. Nautical Mile
• D. Tick

Answer: (A)

Scale describes how the chart's size relates to real-world features. It is the ratio that tells you how distance on the chart corresponds to distance in reality (for example, 1:50,000 means 1 unit on the chart equals 50,000 units in the real world). This is what you use to convert chart measurements into actual distances, plan routes, and assess how detailed the chart is. The other terms don’t express that relationship: a map is just a type of representation, a nautical mile is a distance unit, and a tick is a mark used on scales.

Scale describes how the chart's size relates to real-world features. It is the ratio that tells you how distance on the chart corresponds to distance in reality (for example, 1:50,000 means 1 unit on the chart equals 50,000 units in the real world). This is what you use to convert chart measurements into actual distances, plan routes, and assess how detailed the chart is. The other terms don’t express that relationship: a map is just a type of representation, a nautical mile is a distance unit, and a tick is a mark used on scales.