Since I've started looking at lines (ropes), I decided I should look at the lines on navigational charts as well as navigational terms [source & source]. This is the information I've collected. Now I'll be sketching to see if I can come up with some sort of design.
Aid to Navigation – Any fixed object that a navigator may use to find his position, such as permanent land or sea markers, buoys, radiobeacons, and lighthouses.
Antarctic Circle – The Antarctic Circle lies 3/4 of the way between the equator and the South Pole.
Arctic Circle – The Arctic Circle lies 3/4 of the way between the equator and the North Pole. Above this like is the Arctic region, where nights last for 24 hours in the middle of winter. It is known as the Land of the Midnight Sun because in summer the sun never sets.
Bearing – The direction of an object expressed as an angle in degrees or compass points from the vessel's meridian, or, sometimes, from the direction of the bow, stern, or beam.
Binnacle – The case in which a compass is fixed.
Buoy – a floating navigation aid.
Cardinal Points – The points at 90 degree increments on a compass: North, South, East, and West as marked on a compass rose.
Chart – A map for use by navigators.
Chart Datum – The water level used as the reference for height and depth data on a chart. Usually the average low tide water level (known as "Lowest Low Water").
Compass – Indicates direction, either through magnetic (showing Magnetic North) or gyroscopic (showing True North) means.
Compass Card – (Part of a compass) The card indicates the bearing of the vessel. It is graduated in degrees to conform with the magnetic meridian-referenced direction and inscribed with that direction.
Compass Rose – A figure with the complete 360 degree directional system displayed as a circle with each degree graduated upon it, and with the 0 degree indicated as True North. Also called True Rose. This is printed on nautical charts to indicate the reference direction.
The compass heading of the direction of forward motion of the vessel.
The angle of the vessel relative to the wind when sailing.
The largest square sail on a mast (called the Course because when sailing with the wind the heading will be impacted by how best to keep the Course Sail full).
Dead Reckoning – To estimate position by using course, speed, and the last known position.
DEW Line – (Distant Early Warning) – 3000-mile line of radar stations north of the Arctic Circle. It should notify the U.S. and Canada of the approach of enemy planes or missiles.
Drift – Unintentional movement due to wind or current.
Ebb – A tide passing from high to low, where the current flows out to sea.
Equator – This imaginary circle goes around the middle of the earth for 24902 miles. It divides the Northern Hemisphere from the Southern Hemisphere and is exactly half way between the North and South Poles.
Fathom – Measurement of six feet.
The calculated position of the vessel.
A bearing taken on an object.
Great Circle – A course plotted on the surface of the globe that is the shortest distance between two points
Heading – The compass direction in which a vessel's bow points at any given time.
Heeling-Error – Error in the ship's magnetic compass caused by the heel of the ship. Usually due to the ship of the surrounding objects with respect to the compass card (which remains level due to its gimbal). This may even affect compass' employing correcting magnets as the respective positions will still be affected by the heel of the vessel.
Hemispheres – The equator divides the earth into two halves, or hemispheres. The Northern Hemisphere is the half of the earth between the North Pole and the equator. The Southern Hemisphere is the half of the earth between the South Pole and the equator.
The earth can also be broken up another way: into the Eastern Hemisphere and the Western Hemisphere. The Western Hemisphere includes North and South America, their islands, and the surrounding waters. The Eastern Hemisphere includes Asia, Africa, Australia, and Europe.
International Date Line – An imaginary line where the date changes one day when passed. It is one day earlier east of the line than it is on the west.
Latitude – A graduation of the surface of the earth measured north or south of the equator and expressed in degrees with the equator being 0 degrees and the poles being 90 degrees. // Parallels – Imaginary lines that run east and west on a map. Parallels represent degrees of latitude, or how far a place is away from the equator. The equator's latitude is 0 degrees and the poles are 90 degrees south and north. One degree of latitude equals about 69 miles.
League – A measure of distance 2.6 nautical miles (4.8 km) in length.
A chronological record of courses or operations.
An instrument used to estimate a ship's speed.
Longitude – A division of the surface of the earth measured in degrees east or west of the meridian at Greenwich, England. // Meridians – Imaginary lines that run north and south on a map from pole to pole. Meridians express degrees of longitude, or how far a place is away from the prime meridian. The prime meridian runs through Greenwich, England. Longitude is used together with latitude to form a grid on which it is possible to locate any place on the earth.
Nautical Mile – One minute of latitude, 1.85 km or 6076 feet - approximately 1/8 longer than the U.S. statute mile of 5280 feet.
Navigation – The skill of getting a vessel from one place to another.
Tropic of Cancer – A parallel line of latitude that is a quarter of the way from the equator to the North Pole. During the summer solstice, the sun is directly overhead.
Tropic of Capricorn – This line of latitude is a quarter of the way from the equator to the South Pole. During the winter solstice, the sun is directly overhead.
Zenith – The point of the celestial sphere which is directly overhead.
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